./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 ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--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-ae00767 [2021-12-28 04:37:12,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:37:12,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:37:12,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:37:12,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:37:12,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:37:12,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:37:12,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:37:12,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:37:12,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:37:12,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:37:12,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:37:12,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:37:12,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:37:12,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:37:12,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:37:12,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:37:12,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:37:12,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:37:12,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:37:12,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:37:12,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:37:12,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:37:12,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:37:12,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:37:12,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:37:12,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:37:12,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:37:12,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:37:12,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:37:12,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:37:12,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:37:12,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:37:12,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:37:12,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:37:12,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:37:12,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:37:12,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:37:12,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:37:12,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:37:12,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:37:12,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:37:12,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:37:12,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:37:12,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:37:12,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:37:12,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:37:12,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:37:12,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:37:12,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:37:12,156 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:37:12,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:37:12,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:37:12,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:37:12,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:37:12,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:37:12,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:37:12,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:37:12,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:37:12,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:37:12,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:37:12,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:37:12,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:37:12,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:37:12,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:37:12,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:37:12,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:37:12,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:37:12,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:37:12,159 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:37:12,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:37:12,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:37:12,160 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08f69d9d27fea4ba41de4dd6c325f6f1a70ecfdbb77928c35b5b3f93d75aa1b8 [2021-12-28 04:37:12,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:37:12,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:37:12,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:37:12,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:37:12,476 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:37:12,477 INFO L432 ainManager$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 [2021-12-28 04:37:12,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cfe8c1fe/d5f6eb7c2fc64f58ac25429483615f53/FLAG39c032616 [2021-12-28 04:37:13,186 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:37:13,186 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 [2021-12-28 04:37:13,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cfe8c1fe/d5f6eb7c2fc64f58ac25429483615f53/FLAG39c032616 [2021-12-28 04:37:13,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cfe8c1fe/d5f6eb7c2fc64f58ac25429483615f53 [2021-12-28 04:37:13,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:37:13,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:37:13,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:37:13,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:37:13,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:37:13,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:37:13" (1/1) ... [2021-12-28 04:37:13,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb83a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:13, skipping insertion in model container [2021-12-28 04:37:13,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:37:13" (1/1) ... [2021-12-28 04:37:13,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:37:13,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:37:15,352 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] [2021-12-28 04:37:15,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:37:15,419 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:37:15,663 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] [2021-12-28 04:37:15,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:37:15,817 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:37:15,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15 WrapperNode [2021-12-28 04:37:15,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:37:15,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:37:15,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:37:15,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:37:15,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15" (1/1) ... [2021-12-28 04:37:15,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15" (1/1) ... [2021-12-28 04:37:16,077 INFO L137 Inliner]: procedures = 302, calls = 1935, calls flagged for inlining = 138, calls inlined = 135, statements flattened = 5018 [2021-12-28 04:37:16,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:37:16,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:37:16,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:37:16,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:37:16,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15" (1/1) ... [2021-12-28 04:37:16,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15" (1/1) ... [2021-12-28 04:37:16,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15" (1/1) ... [2021-12-28 04:37:16,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15" (1/1) ... [2021-12-28 04:37:16,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15" (1/1) ... [2021-12-28 04:37:16,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15" (1/1) ... [2021-12-28 04:37:16,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15" (1/1) ... [2021-12-28 04:37:16,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:37:16,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:37:16,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:37:16,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:37:16,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15" (1/1) ... [2021-12-28 04:37:16,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:37:16,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:37:16,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:37:16,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:37:16,397 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2021-12-28 04:37:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2021-12-28 04:37:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure start_transfer [2021-12-28 04:37:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure start_transfer [2021-12-28 04:37:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_status_data [2021-12-28 04:37:16,398 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_status_data [2021-12-28 04:37:16,398 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:37:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:37:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_resume [2021-12-28 04:37:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_resume [2021-12-28 04:37:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:37:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:37:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:37:16,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:37:16,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:37:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:37:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure disable_controller [2021-12-28 04:37:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_controller [2021-12-28 04:37:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_stop [2021-12-28 04:37:16,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_stop [2021-12-28 04:37:16,400 INFO L130 BoogieDeclarations]: Found specification of procedure free_usb_address [2021-12-28 04:37:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure free_usb_address [2021-12-28 04:37:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_enable [2021-12-28 04:37:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_enable [2021-12-28 04:37:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure disable_r8a66597_pipe_all [2021-12-28 04:37:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_r8a66597_pipe_all [2021-12-28 04:37:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:37:16,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:37:16,401 INFO L130 BoogieDeclarations]: Found specification of procedure enable_controller [2021-12-28 04:37:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_controller [2021-12-28 04:37:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:37:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:37:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-28 04:37:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-28 04:37:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_root_hub_start_polling [2021-12-28 04:37:16,402 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_root_hub_start_polling [2021-12-28 04:37:16,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:37:16,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:37:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-28 04:37:16,403 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-28 04:37:16,403 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_disable [2021-12-28 04:37:16,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_disable [2021-12-28 04:37:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_toggle_set [2021-12-28 04:37:16,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_toggle_set [2021-12-28 04:37:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_dequeue [2021-12-28 04:37:16,404 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_dequeue [2021-12-28 04:37:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:37:16,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:37:16,404 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-12-28 04:37:16,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-12-28 04:37:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_control [2021-12-28 04:37:16,405 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_control [2021-12-28 04:37:16,405 INFO L130 BoogieDeclarations]: Found specification of procedure set_pipe_reg_addr [2021-12-28 04:37:16,405 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pipe_reg_addr [2021-12-28 04:37:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-28 04:37:16,406 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-28 04:37:16,406 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_addr [2021-12-28 04:37:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_addr [2021-12-28 04:37:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:37:16,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:37:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_done [2021-12-28 04:37:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_done [2021-12-28 04:37:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure check_next_phase [2021-12-28 04:37:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure check_next_phase [2021-12-28 04:37:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure get_intsts_reg [2021-12-28 04:37:16,408 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intsts_reg [2021-12-28 04:37:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-28 04:37:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-28 04:37:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_mdfy [2021-12-28 04:37:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_mdfy [2021-12-28 04:37:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-28 04:37:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-28 04:37:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure set_devadd_reg [2021-12-28 04:37:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure set_devadd_reg [2021-12-28 04:37:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_enqueue [2021-12-28 04:37:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_enqueue [2021-12-28 04:37:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_syssts_reg [2021-12-28 04:37:16,410 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syssts_reg [2021-12-28 04:37:16,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-28 04:37:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-28 04:37:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:37:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:37:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:37:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_start [2021-12-28 04:37:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_start [2021-12-28 04:37:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:37:16,411 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_start [2021-12-28 04:37:16,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_start [2021-12-28 04:37:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure check_transfer_finish [2021-12-28 04:37:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure check_transfer_finish [2021-12-28 04:37:16,412 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_remove [2021-12-28 04:37:16,412 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_remove [2021-12-28 04:37:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:37:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:37:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:37:16,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:37:16,413 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:37:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:37:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure enable_pipe_irq [2021-12-28 04:37:16,414 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_pipe_irq [2021-12-28 04:37:16,414 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-28 04:37:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-28 04:37:16,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:37:16,415 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-28 04:37:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-28 04:37:16,415 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 04:37:16,415 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 04:37:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:37:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_endpoint_disable [2021-12-28 04:37:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_endpoint_disable [2021-12-28 04:37:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure start_root_hub_sampling [2021-12-28 04:37:16,416 INFO L138 BoogieDeclarations]: Found implementation of procedure start_root_hub_sampling [2021-12-28 04:37:16,416 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_resume [2021-12-28 04:37:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_resume [2021-12-28 04:37:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:37:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:37:16,417 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:37:16,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:37:16,418 INFO L130 BoogieDeclarations]: Found specification of procedure collect_usb_address_map [2021-12-28 04:37:16,418 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_usb_address_map [2021-12-28 04:37:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_pipe_toggle [2021-12-28 04:37:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_pipe_toggle [2021-12-28 04:37:16,420 INFO L130 BoogieDeclarations]: Found specification of procedure get_syscfg_reg [2021-12-28 04:37:16,420 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syscfg_reg [2021-12-28 04:37:16,421 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_write [2021-12-28 04:37:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_write [2021-12-28 04:37:16,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:37:16,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:37:16,422 INFO L130 BoogieDeclarations]: Found specification of procedure get_toggle_pointer [2021-12-28 04:37:16,426 INFO L138 BoogieDeclarations]: Found implementation of procedure get_toggle_pointer [2021-12-28 04:37:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-28 04:37:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-28 04:37:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure get_parent_r8a66597_address [2021-12-28 04:37:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parent_r8a66597_address [2021-12-28 04:37:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-12-28 04:37:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-12-28 04:37:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:37:16,427 INFO L130 BoogieDeclarations]: Found specification of procedure packet_write [2021-12-28 04:37:16,427 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_write [2021-12-28 04:37:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-28 04:37:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-28 04:37:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:37:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:37:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:37:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-28 04:37:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-28 04:37:16,428 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2021-12-28 04:37:16,428 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2021-12-28 04:37:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-28 04:37:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-28 04:37:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_number [2021-12-28 04:37:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_number [2021-12-28 04:37:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:37:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure force_dequeue [2021-12-28 04:37:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure force_dequeue [2021-12-28 04:37:16,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_intenb_reg [2021-12-28 04:37:16,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intenb_reg [2021-12-28 04:37:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_to_hcd [2021-12-28 04:37:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_to_hcd [2021-12-28 04:37:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pipe_irq [2021-12-28 04:37:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pipe_irq [2021-12-28 04:37:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_setting [2021-12-28 04:37:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_setting [2021-12-28 04:37:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_clock_enable [2021-12-28 04:37:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_clock_enable [2021-12-28 04:37:16,430 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-28 04:37:16,430 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-28 04:37:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_dev [2021-12-28 04:37:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_dev [2021-12-28 04:37:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvstctr_reg [2021-12-28 04:37:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvstctr_reg [2021-12-28 04:37:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure packet_read [2021-12-28 04:37:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_read [2021-12-28 04:37:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_change_from_pipe [2021-12-28 04:37:16,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_change_from_pipe [2021-12-28 04:37:16,431 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:37:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:37:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_error [2021-12-28 04:37:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_error [2021-12-28 04:37:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:37:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:37:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure mbw_value [2021-12-28 04:37:16,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mbw_value [2021-12-28 04:37:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:37:16,432 INFO L130 BoogieDeclarations]: Found specification of procedure cfifo_change [2021-12-28 04:37:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cfifo_change [2021-12-28 04:37:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_td [2021-12-28 04:37:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_td [2021-12-28 04:37:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:37:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:37:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2021-12-28 04:37:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2021-12-28 04:37:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:37:16,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:37:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_probe [2021-12-28 04:37:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_probe [2021-12-28 04:37:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-28 04:37:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-28 04:37:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:37:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_port_power [2021-12-28 04:37:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_port_power [2021-12-28 04:37:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:37:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:37:16,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:37:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:37:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:37:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:37:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-28 04:37:16,435 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-28 04:37:16,435 INFO L130 BoogieDeclarations]: Found specification of procedure get_r8a66597_usb_speed [2021-12-28 04:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure get_r8a66597_usb_speed [2021-12-28 04:37:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_read [2021-12-28 04:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_read [2021-12-28 04:37:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:37:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure set_td_timer [2021-12-28 04:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure set_td_timer [2021-12-28 04:37:16,436 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_packet_write [2021-12-28 04:37:16,436 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_packet_write [2021-12-28 04:37:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2021-12-28 04:37:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2021-12-28 04:37:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_suspend [2021-12-28 04:37:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_suspend [2021-12-28 04:37:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_irq [2021-12-28 04:37:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_irq [2021-12-28 04:37:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:37:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:37:16,437 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_reg_wait [2021-12-28 04:37:16,437 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_reg_wait [2021-12-28 04:37:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:37:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:37:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:37:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:37:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_usb_disconnect [2021-12-28 04:37:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_usb_disconnect [2021-12-28 04:37:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:37:16,438 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_frame [2021-12-28 04:37:16,438 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_frame [2021-12-28 04:37:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_suspend [2021-12-28 04:37:16,439 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_suspend [2021-12-28 04:37:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:37:16,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:37:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_r8a66597 [2021-12-28 04:37:16,439 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_r8a66597 [2021-12-28 04:37:16,439 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:37:16,439 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:37:17,035 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:37:17,050 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:37:17,699 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:37:19,573 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:37:19,586 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:37:19,586 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:37:19,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:37:19 BoogieIcfgContainer [2021-12-28 04:37:19,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:37:19,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:37:19,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:37:19,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:37:19,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:37:13" (1/3) ... [2021-12-28 04:37:19,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd5e506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:37:19, skipping insertion in model container [2021-12-28 04:37:19,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:37:15" (2/3) ... [2021-12-28 04:37:19,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd5e506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:37:19, skipping insertion in model container [2021-12-28 04:37:19,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:37:19" (3/3) ... [2021-12-28 04:37:19,595 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2021-12-28 04:37:19,599 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:37:19,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:37:19,635 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:37:19,640 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:37:19,640 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:37:19,700 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) [2021-12-28 04:37:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-28 04:37:19,728 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:37:19,729 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] [2021-12-28 04:37:19,730 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:37:19,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:37:19,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1689100969, now seen corresponding path program 1 times [2021-12-28 04:37:19,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:37:19,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545629284] [2021-12-28 04:37:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:37:19,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:37:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:37:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:37:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:37:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:37:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:37:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:37:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:37:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:37:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:37:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:37:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:37:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 04:37:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-12-28 04:37:20,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:37:20,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545629284] [2021-12-28 04:37:20,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545629284] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:37:20,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:37:20,483 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:37:20,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129129643] [2021-12-28 04:37:20,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:37:20,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:37:20,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:37:20,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:37:20,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:37:20,516 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) [2021-12-28 04:37:27,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:37:27,386 INFO L93 Difference]: Finished difference Result 4990 states and 7568 transitions. [2021-12-28 04:37:27,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:37:27,401 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 [2021-12-28 04:37:27,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:37:27,448 INFO L225 Difference]: With dead ends: 4990 [2021-12-28 04:37:27,448 INFO L226 Difference]: Without dead ends: 2753 [2021-12-28 04:37:27,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:37:27,470 INFO L933 BasicCegarLoop]: 2671 mSDtfsCounter, 3378 mSDsluCounter, 3398 mSDsCounter, 0 mSdLazyCounter, 3932 mSolverCounterSat, 3413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3509 SdHoareTripleChecker+Valid, 6069 SdHoareTripleChecker+Invalid, 7345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3413 IncrementalHoareTripleChecker+Valid, 3932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:37:27,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3509 Valid, 6069 Invalid, 7345 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3413 Valid, 3932 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-12-28 04:37:27,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2753 states. [2021-12-28 04:37:27,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2753 to 2200. [2021-12-28 04:37:27,669 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) [2021-12-28 04:37:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 3226 transitions. [2021-12-28 04:37:27,687 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 3226 transitions. Word has length 159 [2021-12-28 04:37:27,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:37:27,688 INFO L470 AbstractCegarLoop]: Abstraction has 2200 states and 3226 transitions. [2021-12-28 04:37:27,688 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) [2021-12-28 04:37:27,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 3226 transitions. [2021-12-28 04:37:27,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-28 04:37:27,699 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:37:27,701 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] [2021-12-28 04:37:27,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:37:27,701 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:37:27,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:37:27,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1294176512, now seen corresponding path program 1 times [2021-12-28 04:37:27,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:37:27,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573980664] [2021-12-28 04:37:27,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:37:27,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:37:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:37:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:37:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:37:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:37:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:37:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:37:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:37:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:37:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:27,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:37:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:28,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:28,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 04:37:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 04:37:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:28,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-28 04:37:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-12-28 04:37:28,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:37:28,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573980664] [2021-12-28 04:37:28,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573980664] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:37:28,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:37:28,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:37:28,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091431948] [2021-12-28 04:37:28,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:37:28,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:37:28,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:37:28,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:37:28,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:37:28,031 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) [2021-12-28 04:37:37,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:37:37,324 INFO L93 Difference]: Finished difference Result 6457 states and 9598 transitions. [2021-12-28 04:37:37,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-28 04:37:37,325 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 [2021-12-28 04:37:37,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:37:37,349 INFO L225 Difference]: With dead ends: 6457 [2021-12-28 04:37:37,350 INFO L226 Difference]: Without dead ends: 4286 [2021-12-28 04:37:37,361 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 [2021-12-28 04:37:37,364 INFO L933 BasicCegarLoop]: 2821 mSDtfsCounter, 6881 mSDsluCounter, 4141 mSDsCounter, 0 mSdLazyCounter, 5922 mSolverCounterSat, 6120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7102 SdHoareTripleChecker+Valid, 6962 SdHoareTripleChecker+Invalid, 12042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6120 IncrementalHoareTripleChecker+Valid, 5922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:37:37,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7102 Valid, 6962 Invalid, 12042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6120 Valid, 5922 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2021-12-28 04:37:37,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4286 states. [2021-12-28 04:37:37,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4286 to 3503. [2021-12-28 04:37:37,555 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) [2021-12-28 04:37:37,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 3503 states and 5087 transitions. [2021-12-28 04:37:37,577 INFO L78 Accepts]: Start accepts. Automaton has 3503 states and 5087 transitions. Word has length 160 [2021-12-28 04:37:37,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:37:37,578 INFO L470 AbstractCegarLoop]: Abstraction has 3503 states and 5087 transitions. [2021-12-28 04:37:37,578 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) [2021-12-28 04:37:37,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3503 states and 5087 transitions. [2021-12-28 04:37:37,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-28 04:37:37,584 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:37:37,585 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] [2021-12-28 04:37:37,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:37:37,585 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:37:37,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:37:37,586 INFO L85 PathProgramCache]: Analyzing trace with hash 798228537, now seen corresponding path program 1 times [2021-12-28 04:37:37,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:37:37,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765981239] [2021-12-28 04:37:37,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:37:37,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:37:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:37:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:37:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:37:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:37:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:37:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:37:37,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:37:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:37:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:37:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-28 04:37:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 04:37:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:37:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-28 04:37:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:37:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:37:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-12-28 04:37:37,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:37:37,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765981239] [2021-12-28 04:37:37,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765981239] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:37:37,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:37:37,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:37:37,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609036200] [2021-12-28 04:37:37,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:37:37,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:37:37,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:37:37,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:37:37,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:37:37,977 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) [2021-12-28 04:37:44,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:37:44,119 INFO L93 Difference]: Finished difference Result 7774 states and 11468 transitions. [2021-12-28 04:37:44,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-28 04:37:44,119 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 [2021-12-28 04:37:44,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:37:44,141 INFO L225 Difference]: With dead ends: 7774 [2021-12-28 04:37:44,142 INFO L226 Difference]: Without dead ends: 4300 [2021-12-28 04:37:44,155 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 [2021-12-28 04:37:44,156 INFO L933 BasicCegarLoop]: 2661 mSDtfsCounter, 9402 mSDsluCounter, 1799 mSDsCounter, 0 mSdLazyCounter, 2336 mSolverCounterSat, 7549 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9660 SdHoareTripleChecker+Valid, 4460 SdHoareTripleChecker+Invalid, 9885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7549 IncrementalHoareTripleChecker+Valid, 2336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:37:44,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9660 Valid, 4460 Invalid, 9885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7549 Valid, 2336 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-28 04:37:44,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4300 states. [2021-12-28 04:37:44,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4300 to 3519. [2021-12-28 04:37:44,281 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) [2021-12-28 04:37:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 3519 states and 5096 transitions. [2021-12-28 04:37:44,293 INFO L78 Accepts]: Start accepts. Automaton has 3519 states and 5096 transitions. Word has length 202 [2021-12-28 04:37:44,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:37:44,294 INFO L470 AbstractCegarLoop]: Abstraction has 3519 states and 5096 transitions. [2021-12-28 04:37:44,294 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) [2021-12-28 04:37:44,294 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 5096 transitions. [2021-12-28 04:37:44,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-12-28 04:37:44,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:37:44,298 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] [2021-12-28 04:37:44,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:37:44,299 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:37:44,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:37:44,299 INFO L85 PathProgramCache]: Analyzing trace with hash 2072116083, now seen corresponding path program 1 times [2021-12-28 04:37:44,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:37:44,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064774447] [2021-12-28 04:37:44,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:37:44,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:37:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:37:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:37:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:37:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:37:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:37:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:37:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:37:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:37:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:37:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:37:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-28 04:37:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:37:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 04:37:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:37:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 04:37:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:44,672 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-12-28 04:37:44,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:37:44,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064774447] [2021-12-28 04:37:44,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064774447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:37:44,672 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:37:44,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:37:44,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521770403] [2021-12-28 04:37:44,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:37:44,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:37:44,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:37:44,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:37:44,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:37:44,674 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) [2021-12-28 04:37:51,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:37:51,386 INFO L93 Difference]: Finished difference Result 7770 states and 11450 transitions. [2021-12-28 04:37:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-28 04:37:51,386 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 [2021-12-28 04:37:51,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:37:51,434 INFO L225 Difference]: With dead ends: 7770 [2021-12-28 04:37:51,435 INFO L226 Difference]: Without dead ends: 4298 [2021-12-28 04:37:51,453 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 [2021-12-28 04:37:51,455 INFO L933 BasicCegarLoop]: 2643 mSDtfsCounter, 6109 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 3191 mSolverCounterSat, 4745 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6369 SdHoareTripleChecker+Valid, 5166 SdHoareTripleChecker+Invalid, 7936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4745 IncrementalHoareTripleChecker+Valid, 3191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:37:51,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6369 Valid, 5166 Invalid, 7936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4745 Valid, 3191 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-12-28 04:37:51,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4298 states. [2021-12-28 04:37:51,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4298 to 3517. [2021-12-28 04:37:51,663 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) [2021-12-28 04:37:51,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 3517 states and 5090 transitions. [2021-12-28 04:37:51,676 INFO L78 Accepts]: Start accepts. Automaton has 3517 states and 5090 transitions. Word has length 203 [2021-12-28 04:37:51,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:37:51,677 INFO L470 AbstractCegarLoop]: Abstraction has 3517 states and 5090 transitions. [2021-12-28 04:37:51,678 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) [2021-12-28 04:37:51,678 INFO L276 IsEmpty]: Start isEmpty. Operand 3517 states and 5090 transitions. [2021-12-28 04:37:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-28 04:37:51,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:37:51,684 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] [2021-12-28 04:37:51,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:37:51,684 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:37:51,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:37:51,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1478423429, now seen corresponding path program 1 times [2021-12-28 04:37:51,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:37:51,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855681863] [2021-12-28 04:37:51,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:37:51,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:37:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:37:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:37:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:37:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:37:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:37:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:37:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:37:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:37:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:37:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:37:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:37:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:37:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-28 04:37:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:37:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-28 04:37:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:51,963 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-12-28 04:37:51,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:37:51,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855681863] [2021-12-28 04:37:51,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855681863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:37:51,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:37:51,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:37:51,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384002149] [2021-12-28 04:37:51,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:37:51,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:37:51,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:37:51,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:37:51,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:37:51,965 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) [2021-12-28 04:37:59,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:37:59,082 INFO L93 Difference]: Finished difference Result 7766 states and 11436 transitions. [2021-12-28 04:37:59,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-28 04:37:59,082 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 [2021-12-28 04:37:59,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:37:59,102 INFO L225 Difference]: With dead ends: 7766 [2021-12-28 04:37:59,102 INFO L226 Difference]: Without dead ends: 4296 [2021-12-28 04:37:59,114 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 [2021-12-28 04:37:59,115 INFO L933 BasicCegarLoop]: 2613 mSDtfsCounter, 10670 mSDsluCounter, 3314 mSDsCounter, 0 mSdLazyCounter, 4020 mSolverCounterSat, 8134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10926 SdHoareTripleChecker+Valid, 5927 SdHoareTripleChecker+Invalid, 12154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8134 IncrementalHoareTripleChecker+Valid, 4020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:37:59,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10926 Valid, 5927 Invalid, 12154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8134 Valid, 4020 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-12-28 04:37:59,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4296 states. [2021-12-28 04:37:59,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4296 to 3515. [2021-12-28 04:37:59,249 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) [2021-12-28 04:37:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 3515 states and 5084 transitions. [2021-12-28 04:37:59,261 INFO L78 Accepts]: Start accepts. Automaton has 3515 states and 5084 transitions. Word has length 201 [2021-12-28 04:37:59,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:37:59,262 INFO L470 AbstractCegarLoop]: Abstraction has 3515 states and 5084 transitions. [2021-12-28 04:37:59,262 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) [2021-12-28 04:37:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 5084 transitions. [2021-12-28 04:37:59,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-28 04:37:59,266 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:37:59,266 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] [2021-12-28 04:37:59,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:37:59,266 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:37:59,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:37:59,267 INFO L85 PathProgramCache]: Analyzing trace with hash -185191999, now seen corresponding path program 1 times [2021-12-28 04:37:59,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:37:59,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306994286] [2021-12-28 04:37:59,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:37:59,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:37:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:37:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:37:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:37:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:37:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:37:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:37:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:37:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:37:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:37:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-28 04:37:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-28 04:37:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-28 04:37:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:37:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:37:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:37:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 04:37:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-28 04:37:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:37:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2021-12-28 04:37:59,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:37:59,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306994286] [2021-12-28 04:37:59,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306994286] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:37:59,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:37:59,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:37:59,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071254533] [2021-12-28 04:37:59,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:37:59,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:37:59,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:37:59,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:37:59,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:37:59,525 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) [2021-12-28 04:38:04,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:38:04,036 INFO L93 Difference]: Finished difference Result 7692 states and 11314 transitions. [2021-12-28 04:38:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-28 04:38:04,037 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 200 [2021-12-28 04:38:04,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:38:04,087 INFO L225 Difference]: With dead ends: 7692 [2021-12-28 04:38:04,096 INFO L226 Difference]: Without dead ends: 4224 [2021-12-28 04:38:04,124 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 [2021-12-28 04:38:04,125 INFO L933 BasicCegarLoop]: 2630 mSDtfsCounter, 7072 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 5812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7321 SdHoareTripleChecker+Valid, 4389 SdHoareTripleChecker+Invalid, 8129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5812 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:38:04,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7321 Valid, 4389 Invalid, 8129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5812 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-28 04:38:04,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4224 states. [2021-12-28 04:38:04,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4224 to 3475. [2021-12-28 04:38:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3475 states, 2325 states have (on average 1.3466666666666667) internal successors, (3131), 2443 states have internal predecessors, (3131), 947 states have call successors, (947), 203 states have call predecessors, (947), 202 states have return successors, (946), 910 states have call predecessors, (946), 946 states have call successors, (946) [2021-12-28 04:38:04,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3475 states and 5024 transitions. [2021-12-28 04:38:04,431 INFO L78 Accepts]: Start accepts. Automaton has 3475 states and 5024 transitions. Word has length 200 [2021-12-28 04:38:04,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:38:04,432 INFO L470 AbstractCegarLoop]: Abstraction has 3475 states and 5024 transitions. [2021-12-28 04:38:04,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-28 04:38:04,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3475 states and 5024 transitions. [2021-12-28 04:38:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-28 04:38:04,441 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:38:04,442 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:38:04,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:38:04,442 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:38:04,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:38:04,442 INFO L85 PathProgramCache]: Analyzing trace with hash -865446531, now seen corresponding path program 1 times [2021-12-28 04:38:04,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:38:04,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756298341] [2021-12-28 04:38:04,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:38:04,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:38:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:38:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:38:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:38:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:38:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:38:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:38:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:38:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:38:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:38:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:38:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:38:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:38:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:38:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:38:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-28 04:38:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:38:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 04:38:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:38:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-28 04:38:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:38:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:38:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-28 04:38:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-28 04:38:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:38:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:38:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2021-12-28 04:38:04,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:38:04,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756298341] [2021-12-28 04:38:04,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756298341] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:38:04,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:38:04,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:38:04,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327259463] [2021-12-28 04:38:04,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:38:04,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:38:04,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:38:04,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:38:04,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:38:04,708 INFO L87 Difference]: Start difference. First operand 3475 states and 5024 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 04:38:16,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:38:16,081 INFO L93 Difference]: Finished difference Result 10279 states and 15227 transitions. [2021-12-28 04:38:16,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.