./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-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-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 6785537a032cb4855d5467e9b639eb667ad8ad30124f23951db0f7bcb4fb8bfb --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:12:49,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:12:49,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:12:49,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:12:49,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:12:49,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:12:49,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:12:49,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:12:49,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:12:49,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:12:49,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:12:49,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:12:49,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:12:49,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:12:49,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:12:49,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:12:49,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:12:49,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:12:49,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:12:49,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:12:49,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:12:49,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:12:49,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:12:49,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:12:49,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:12:49,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:12:49,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:12:49,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:12:49,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:12:49,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:12:49,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:12:49,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:12:49,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:12:49,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:12:49,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:12:49,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:12:49,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:12:49,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:12:49,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:12:49,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:12:49,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:12:49,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:12:49,684 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:12:49,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:12:49,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:12:49,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:12:49,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:12:49,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:12:49,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:12:49,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:12:49,686 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:12:49,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:12:49,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:12:49,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:12:49,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:12:49,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:12:49,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:12:49,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:12:49,689 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:12:49,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:12:49,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:12:49,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:12:49,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:12:49,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:12:49,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:12:49,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:12:49,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:12:49,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:12:49,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:12:49,691 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:12:49,692 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:12:49,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:12:49,692 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:12:49,692 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6785537a032cb4855d5467e9b639eb667ad8ad30124f23951db0f7bcb4fb8bfb [2021-12-14 18:12:49,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:12:49,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:12:49,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:12:49,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:12:49,938 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:12:49,939 INFO L432 ainManager$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-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2021-12-14 18:12:50,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8550443/dc96d0ab5d8f468ea5fae091777492f3/FLAGd287c1052 [2021-12-14 18:12:50,674 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:12:50,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2021-12-14 18:12:50,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8550443/dc96d0ab5d8f468ea5fae091777492f3/FLAGd287c1052 [2021-12-14 18:12:51,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8550443/dc96d0ab5d8f468ea5fae091777492f3 [2021-12-14 18:12:51,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:12:51,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:12:51,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:12:51,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:12:51,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:12:51,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:12:51" (1/1) ... [2021-12-14 18:12:51,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e12a8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:51, skipping insertion in model container [2021-12-14 18:12:51,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:12:51" (1/1) ... [2021-12-14 18:12:51,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:12:51,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:12:52,644 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-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[252187,252200] [2021-12-14 18:12:52,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:12:52,748 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:12:53,066 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-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[252187,252200] [2021-12-14 18:12:53,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:12:53,168 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:12:53,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53 WrapperNode [2021-12-14 18:12:53,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:12:53,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:12:53,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:12:53,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:12:53,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53" (1/1) ... [2021-12-14 18:12:53,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53" (1/1) ... [2021-12-14 18:12:53,427 INFO L137 Inliner]: procedures = 339, calls = 2003, calls flagged for inlining = 135, calls inlined = 131, statements flattened = 5047 [2021-12-14 18:12:53,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:12:53,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:12:53,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:12:53,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:12:53,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53" (1/1) ... [2021-12-14 18:12:53,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53" (1/1) ... [2021-12-14 18:12:53,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53" (1/1) ... [2021-12-14 18:12:53,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53" (1/1) ... [2021-12-14 18:12:53,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53" (1/1) ... [2021-12-14 18:12:53,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53" (1/1) ... [2021-12-14 18:12:53,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53" (1/1) ... [2021-12-14 18:12:53,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:12:53,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:12:53,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:12:53,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:12:53,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53" (1/1) ... [2021-12-14 18:12:53,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:12:53,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:12:53,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:12:53,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:12:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2021-12-14 18:12:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2021-12-14 18:12:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure start_transfer [2021-12-14 18:12:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure start_transfer [2021-12-14 18:12:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_status_data [2021-12-14 18:12:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_status_data [2021-12-14 18:12:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:12:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:12:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_resume [2021-12-14 18:12:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_resume [2021-12-14 18:12:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:12:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:12:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:12:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:12:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:12:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:12:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure disable_controller [2021-12-14 18:12:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_controller [2021-12-14 18:12:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_stop [2021-12-14 18:12:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_stop [2021-12-14 18:12:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure free_usb_address [2021-12-14 18:12:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure free_usb_address [2021-12-14 18:12:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_enable [2021-12-14 18:12:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_enable [2021-12-14 18:12:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure disable_r8a66597_pipe_all [2021-12-14 18:12:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_r8a66597_pipe_all [2021-12-14 18:12:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure enable_controller [2021-12-14 18:12:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_controller [2021-12-14 18:12:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:12:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:12:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-14 18:12:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-14 18:12:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_root_hub_start_polling [2021-12-14 18:12:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_root_hub_start_polling [2021-12-14 18:12:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:12:53,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:12:53,773 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-14 18:12:53,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-14 18:12:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_disable [2021-12-14 18:12:53,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_disable [2021-12-14 18:12:53,774 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_toggle_set [2021-12-14 18:12:53,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_toggle_set [2021-12-14 18:12:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_dequeue [2021-12-14 18:12:53,775 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_dequeue [2021-12-14 18:12:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:12:53,775 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:12:53,775 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-12-14 18:12:53,775 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-12-14 18:12:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_control [2021-12-14 18:12:53,776 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_control [2021-12-14 18:12:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_pipe_reg_addr [2021-12-14 18:12:53,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pipe_reg_addr [2021-12-14 18:12:53,776 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-14 18:12:53,776 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-14 18:12:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_addr [2021-12-14 18:12:53,777 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_addr [2021-12-14 18:12:53,777 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:12:53,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:12:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_done [2021-12-14 18:12:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_done [2021-12-14 18:12:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure check_next_phase [2021-12-14 18:12:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure check_next_phase [2021-12-14 18:12:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure get_intsts_reg [2021-12-14 18:12:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intsts_reg [2021-12-14 18:12:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:12:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:12:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-14 18:12:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-14 18:12:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_mdfy [2021-12-14 18:12:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_mdfy [2021-12-14 18:12:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-14 18:12:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-14 18:12:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure set_devadd_reg [2021-12-14 18:12:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure set_devadd_reg [2021-12-14 18:12:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_enqueue [2021-12-14 18:12:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_enqueue [2021-12-14 18:12:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure get_syssts_reg [2021-12-14 18:12:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syssts_reg [2021-12-14 18:12:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2021-12-14 18:12:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2021-12-14 18:12:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:12:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:12:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:12:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_start [2021-12-14 18:12:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_start [2021-12-14 18:12:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:12:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_start [2021-12-14 18:12:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_start [2021-12-14 18:12:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure check_transfer_finish [2021-12-14 18:12:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure check_transfer_finish [2021-12-14 18:12:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_remove [2021-12-14 18:12:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_remove [2021-12-14 18:12:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:12:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:12:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:12:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:12:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure enable_pipe_irq [2021-12-14 18:12:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_pipe_irq [2021-12-14 18:12:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-14 18:12:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-14 18:12:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:12:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-14 18:12:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-14 18:12:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:12:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:12:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:12:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_endpoint_disable [2021-12-14 18:12:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_endpoint_disable [2021-12-14 18:12:53,787 INFO L130 BoogieDeclarations]: Found specification of procedure start_root_hub_sampling [2021-12-14 18:12:53,787 INFO L138 BoogieDeclarations]: Found implementation of procedure start_root_hub_sampling [2021-12-14 18:12:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_resume [2021-12-14 18:12:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_resume [2021-12-14 18:12:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:12:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:12:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:12:53,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:12:53,788 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 18:12:53,789 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 18:12:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure collect_usb_address_map [2021-12-14 18:12:53,791 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_usb_address_map [2021-12-14 18:12:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_pipe_toggle [2021-12-14 18:12:53,792 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_pipe_toggle [2021-12-14 18:12:53,792 INFO L130 BoogieDeclarations]: Found specification of procedure get_syscfg_reg [2021-12-14 18:12:53,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syscfg_reg [2021-12-14 18:12:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_write [2021-12-14 18:12:53,794 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_write [2021-12-14 18:12:53,794 INFO L130 BoogieDeclarations]: Found specification of procedure get_toggle_pointer [2021-12-14 18:12:53,794 INFO L138 BoogieDeclarations]: Found implementation of procedure get_toggle_pointer [2021-12-14 18:12:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:12:53,799 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:12:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-14 18:12:53,799 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-14 18:12:53,799 INFO L130 BoogieDeclarations]: Found specification of procedure get_parent_r8a66597_address [2021-12-14 18:12:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parent_r8a66597_address [2021-12-14 18:12:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-12-14 18:12:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-12-14 18:12:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:12:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure packet_write [2021-12-14 18:12:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_write [2021-12-14 18:12:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-14 18:12:53,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-14 18:12:53,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:12:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:12:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:12:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-14 18:12:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-14 18:12:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2021-12-14 18:12:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2021-12-14 18:12:53,801 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-14 18:12:53,801 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-14 18:12:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_number [2021-12-14 18:12:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_number [2021-12-14 18:12:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:12:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure force_dequeue [2021-12-14 18:12:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure force_dequeue [2021-12-14 18:12:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure get_intenb_reg [2021-12-14 18:12:53,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intenb_reg [2021-12-14 18:12:53,802 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_to_hcd [2021-12-14 18:12:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_to_hcd [2021-12-14 18:12:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pipe_irq [2021-12-14 18:12:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pipe_irq [2021-12-14 18:12:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_setting [2021-12-14 18:12:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_setting [2021-12-14 18:12:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_clock_enable [2021-12-14 18:12:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_clock_enable [2021-12-14 18:12:53,803 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-14 18:12:53,803 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-14 18:12:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_dev [2021-12-14 18:12:53,804 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_dev [2021-12-14 18:12:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvstctr_reg [2021-12-14 18:12:53,804 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvstctr_reg [2021-12-14 18:12:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure packet_read [2021-12-14 18:12:53,804 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_read [2021-12-14 18:12:53,804 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_change_from_pipe [2021-12-14 18:12:53,804 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_change_from_pipe [2021-12-14 18:12:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:12:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:12:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_error [2021-12-14 18:12:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_error [2021-12-14 18:12:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 18:12:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 18:12:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure mbw_value [2021-12-14 18:12:53,805 INFO L138 BoogieDeclarations]: Found implementation of procedure mbw_value [2021-12-14 18:12:53,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:12:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure cfifo_change [2021-12-14 18:12:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cfifo_change [2021-12-14 18:12:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_td [2021-12-14 18:12:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_td [2021-12-14 18:12:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:12:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:12:53,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2021-12-14 18:12:53,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2021-12-14 18:12:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:12:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:12:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_probe [2021-12-14 18:12:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_probe [2021-12-14 18:12:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2021-12-14 18:12:53,807 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2021-12-14 18:12:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:12:53,807 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_port_power [2021-12-14 18:12:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_port_power [2021-12-14 18:12:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:12:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:12:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:12:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:12:53,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:12:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:12:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2021-12-14 18:12:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2021-12-14 18:12:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure get_r8a66597_usb_speed [2021-12-14 18:12:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure get_r8a66597_usb_speed [2021-12-14 18:12:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_read [2021-12-14 18:12:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_read [2021-12-14 18:12:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:12:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:12:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure set_td_timer [2021-12-14 18:12:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure set_td_timer [2021-12-14 18:12:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_packet_write [2021-12-14 18:12:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_packet_write [2021-12-14 18:12:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2021-12-14 18:12:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2021-12-14 18:12:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_suspend [2021-12-14 18:12:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_suspend [2021-12-14 18:12:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_irq [2021-12-14 18:12:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_irq [2021-12-14 18:12:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:12:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:12:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_reg_wait [2021-12-14 18:12:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_reg_wait [2021-12-14 18:12:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:12:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:12:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:12:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:12:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_usb_disconnect [2021-12-14 18:12:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_usb_disconnect [2021-12-14 18:12:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:12:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_frame [2021-12-14 18:12:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_frame [2021-12-14 18:12:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_suspend [2021-12-14 18:12:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_suspend [2021-12-14 18:12:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:12:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:12:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_r8a66597 [2021-12-14 18:12:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_r8a66597 [2021-12-14 18:12:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:12:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:12:54,550 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:12:54,554 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:12:55,209 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:12:57,480 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:12:57,497 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:12:57,498 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:12:57,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:12:57 BoogieIcfgContainer [2021-12-14 18:12:57,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:12:57,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:12:57,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:12:57,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:12:57,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:12:51" (1/3) ... [2021-12-14 18:12:57,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db76b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:12:57, skipping insertion in model container [2021-12-14 18:12:57,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:53" (2/3) ... [2021-12-14 18:12:57,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db76b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:12:57, skipping insertion in model container [2021-12-14 18:12:57,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:12:57" (3/3) ... [2021-12-14 18:12:57,508 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2021-12-14 18:12:57,512 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:12:57,513 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:12:57,560 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:12:57,565 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:12:57,565 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:12:57,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 2231 states, 1490 states have (on average 1.3657718120805369) internal successors, (2035), 1579 states have internal predecessors, (2035), 625 states have call successors, (625), 115 states have call predecessors, (625), 114 states have return successors, (617), 595 states have call predecessors, (617), 617 states have call successors, (617) [2021-12-14 18:12:57,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-14 18:12:57,642 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:12:57,642 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] [2021-12-14 18:12:57,643 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:12:57,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:12:57,647 INFO L85 PathProgramCache]: Analyzing trace with hash -426227268, now seen corresponding path program 1 times [2021-12-14 18:12:57,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:12:57,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409546435] [2021-12-14 18:12:57,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:12:57,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:12:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:12:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:12:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:12:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:12:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 18:12:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 18:12:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 18:12:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-14 18:12:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 18:12:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 18:12:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:12:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:12:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-12-14 18:12:58,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:12:58,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409546435] [2021-12-14 18:12:58,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409546435] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:12:58,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:12:58,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:12:58,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431718180] [2021-12-14 18:12:58,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:12:58,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:12:58,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:12:58,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:12:58,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:12:58,463 INFO L87 Difference]: Start difference. First operand has 2231 states, 1490 states have (on average 1.3657718120805369) internal successors, (2035), 1579 states have internal predecessors, (2035), 625 states have call successors, (625), 115 states have call predecessors, (625), 114 states have return successors, (617), 595 states have call predecessors, (617), 617 states have call successors, (617) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 18:13:04,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:13:04,458 INFO L93 Difference]: Finished difference Result 4942 states and 7456 transitions. [2021-12-14 18:13:04,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:13:04,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 135 [2021-12-14 18:13:04,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:13:04,505 INFO L225 Difference]: With dead ends: 4942 [2021-12-14 18:13:04,506 INFO L226 Difference]: Without dead ends: 2699 [2021-12-14 18:13:04,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:13:04,535 INFO L933 BasicCegarLoop]: 2803 mSDtfsCounter, 2207 mSDsluCounter, 3016 mSDsCounter, 0 mSdLazyCounter, 2727 mSolverCounterSat, 2270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2242 SdHoareTripleChecker+Valid, 5819 SdHoareTripleChecker+Invalid, 4997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2270 IncrementalHoareTripleChecker+Valid, 2727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:13:04,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2242 Valid, 5819 Invalid, 4997 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2270 Valid, 2727 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-12-14 18:13:04,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2699 states. [2021-12-14 18:13:04,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2699 to 2214. [2021-12-14 18:13:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 1483 states have (on average 1.3587322993931221) internal successors, (2015), 1562 states have internal predecessors, (2015), 617 states have call successors, (617), 114 states have call predecessors, (617), 113 states have return successors, (614), 592 states have call predecessors, (614), 614 states have call successors, (614) [2021-12-14 18:13:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3246 transitions. [2021-12-14 18:13:04,751 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3246 transitions. Word has length 135 [2021-12-14 18:13:04,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:13:04,752 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 3246 transitions. [2021-12-14 18:13:04,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 18:13:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3246 transitions. [2021-12-14 18:13:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-14 18:13:04,763 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:13:04,763 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] [2021-12-14 18:13:04,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:13:04,764 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:13:04,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:13:04,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1480855050, now seen corresponding path program 1 times [2021-12-14 18:13:04,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:13:04,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117493497] [2021-12-14 18:13:04,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:13:04,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:13:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:13:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:13:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:13:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 18:13:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 18:13:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 18:13:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-14 18:13:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 18:13:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 18:13:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:05,167 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2021-12-14 18:13:05,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:13:05,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117493497] [2021-12-14 18:13:05,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117493497] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:13:05,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:13:05,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:13:05,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752214363] [2021-12-14 18:13:05,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:13:05,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:13:05,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:13:05,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:13:05,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:13:05,173 INFO L87 Difference]: Start difference. First operand 2214 states and 3246 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-14 18:13:14,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:13:14,360 INFO L93 Difference]: Finished difference Result 7524 states and 11256 transitions. [2021-12-14 18:13:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:13:14,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 135 [2021-12-14 18:13:14,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:13:14,398 INFO L225 Difference]: With dead ends: 7524 [2021-12-14 18:13:14,398 INFO L226 Difference]: Without dead ends: 5339 [2021-12-14 18:13:14,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:13:14,410 INFO L933 BasicCegarLoop]: 3117 mSDtfsCounter, 7341 mSDsluCounter, 4395 mSDsCounter, 0 mSdLazyCounter, 4439 mSolverCounterSat, 5530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7671 SdHoareTripleChecker+Valid, 7512 SdHoareTripleChecker+Invalid, 9969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5530 IncrementalHoareTripleChecker+Valid, 4439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:13:14,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7671 Valid, 7512 Invalid, 9969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5530 Valid, 4439 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2021-12-14 18:13:14,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5339 states. [2021-12-14 18:13:14,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5339 to 4372. [2021-12-14 18:13:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4372 states, 2929 states have (on average 1.3612154318880163) internal successors, (3987), 3085 states have internal predecessors, (3987), 1217 states have call successors, (1217), 226 states have call predecessors, (1217), 225 states have return successors, (1214), 1170 states have call predecessors, (1214), 1214 states have call successors, (1214) [2021-12-14 18:13:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 4372 states and 6418 transitions. [2021-12-14 18:13:14,618 INFO L78 Accepts]: Start accepts. Automaton has 4372 states and 6418 transitions. Word has length 135 [2021-12-14 18:13:14,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:13:14,619 INFO L470 AbstractCegarLoop]: Abstraction has 4372 states and 6418 transitions. [2021-12-14 18:13:14,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-14 18:13:14,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4372 states and 6418 transitions. [2021-12-14 18:13:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-12-14 18:13:14,625 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:13:14,625 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:13:14,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:13:14,626 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:13:14,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:13:14,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1002890238, now seen corresponding path program 1 times [2021-12-14 18:13:14,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:13:14,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567640511] [2021-12-14 18:13:14,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:13:14,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:13:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:13:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:13:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:13:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 18:13:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 18:13:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 18:13:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-14 18:13:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 18:13:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:14,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 18:13:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:15,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:15,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:13:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:15,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-12-14 18:13:15,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:13:15,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567640511] [2021-12-14 18:13:15,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567640511] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:13:15,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:13:15,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:13:15,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701404175] [2021-12-14 18:13:15,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:13:15,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:13:15,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:13:15,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:13:15,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:13:15,037 INFO L87 Difference]: Start difference. First operand 4372 states and 6418 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-14 18:13:20,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:13:20,773 INFO L93 Difference]: Finished difference Result 5341 states and 8046 transitions. [2021-12-14 18:13:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:13:20,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 155 [2021-12-14 18:13:20,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:13:20,817 INFO L225 Difference]: With dead ends: 5341 [2021-12-14 18:13:20,818 INFO L226 Difference]: Without dead ends: 5338 [2021-12-14 18:13:20,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:13:20,823 INFO L933 BasicCegarLoop]: 2731 mSDtfsCounter, 4948 mSDsluCounter, 2978 mSDsCounter, 0 mSdLazyCounter, 2748 mSolverCounterSat, 3179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5243 SdHoareTripleChecker+Valid, 5709 SdHoareTripleChecker+Invalid, 5927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3179 IncrementalHoareTripleChecker+Valid, 2748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:13:20,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5243 Valid, 5709 Invalid, 5927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3179 Valid, 2748 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-12-14 18:13:20,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5338 states. [2021-12-14 18:13:21,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5338 to 4371. [2021-12-14 18:13:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4371 states, 2929 states have (on average 1.3608740184363264) internal successors, (3986), 3084 states have internal predecessors, (3986), 1216 states have call successors, (1216), 226 states have call predecessors, (1216), 225 states have return successors, (1214), 1170 states have call predecessors, (1214), 1214 states have call successors, (1214) [2021-12-14 18:13:21,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4371 states to 4371 states and 6416 transitions. [2021-12-14 18:13:21,130 INFO L78 Accepts]: Start accepts. Automaton has 4371 states and 6416 transitions. Word has length 155 [2021-12-14 18:13:21,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:13:21,131 INFO L470 AbstractCegarLoop]: Abstraction has 4371 states and 6416 transitions. [2021-12-14 18:13:21,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-14 18:13:21,133 INFO L276 IsEmpty]: Start isEmpty. Operand 4371 states and 6416 transitions. [2021-12-14 18:13:21,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-14 18:13:21,137 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:13:21,137 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:13:21,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:13:21,137 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:13:21,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:13:21,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1025809661, now seen corresponding path program 1 times [2021-12-14 18:13:21,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:13:21,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100155003] [2021-12-14 18:13:21,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:13:21,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:13:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:13:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:13:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:13:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 18:13:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 18:13:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 18:13:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-14 18:13:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 18:13:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 18:13:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:13:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-12-14 18:13:21,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:13:21,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100155003] [2021-12-14 18:13:21,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100155003] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:13:21,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:13:21,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:13:21,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845416733] [2021-12-14 18:13:21,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:13:21,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:13:21,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:13:21,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:13:21,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:13:21,436 INFO L87 Difference]: Start difference. First operand 4371 states and 6416 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-14 18:13:25,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:13:25,681 INFO L93 Difference]: Finished difference Result 5340 states and 8044 transitions. [2021-12-14 18:13:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:13:25,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 156 [2021-12-14 18:13:25,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:13:25,754 INFO L225 Difference]: With dead ends: 5340 [2021-12-14 18:13:25,756 INFO L226 Difference]: Without dead ends: 5337 [2021-12-14 18:13:25,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:13:25,761 INFO L933 BasicCegarLoop]: 2746 mSDtfsCounter, 6092 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 1431 mSolverCounterSat, 4326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6390 SdHoareTripleChecker+Valid, 3852 SdHoareTripleChecker+Invalid, 5757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4326 IncrementalHoareTripleChecker+Valid, 1431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:13:25,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6390 Valid, 3852 Invalid, 5757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4326 Valid, 1431 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-14 18:13:25,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5337 states. [2021-12-14 18:13:25,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5337 to 4370. [2021-12-14 18:13:25,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4370 states, 2929 states have (on average 1.3605326049846365) internal successors, (3985), 3083 states have internal predecessors, (3985), 1215 states have call successors, (1215), 226 states have call predecessors, (1215), 225 states have return successors, (1214), 1170 states have call predecessors, (1214), 1214 states have call successors, (1214) [2021-12-14 18:13:25,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4370 states to 4370 states and 6414 transitions. [2021-12-14 18:13:25,981 INFO L78 Accepts]: Start accepts. Automaton has 4370 states and 6414 transitions. Word has length 156 [2021-12-14 18:13:25,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:13:25,983 INFO L470 AbstractCegarLoop]: Abstraction has 4370 states and 6414 transitions. [2021-12-14 18:13:25,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-14 18:13:25,984 INFO L276 IsEmpty]: Start isEmpty. Operand 4370 states and 6414 transitions. [2021-12-14 18:13:25,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-14 18:13:25,987 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:13:25,988 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:13:25,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:13:25,988 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:13:25,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:13:25,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1736306907, now seen corresponding path program 1 times [2021-12-14 18:13:25,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:13:25,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924309274] [2021-12-14 18:13:25,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:13:25,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:13:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:13:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:13:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:13:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-14 18:13:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-14 18:13:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-14 18:13:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-14 18:13:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 18:13:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 18:13:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:13:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:13:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:13:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:13:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-12-14 18:13:26,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:13:26,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924309274] [2021-12-14 18:13:26,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924309274] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:13:26,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:13:26,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:13:26,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292571888] [2021-12-14 18:13:26,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:13:26,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:13:26,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:13:26,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:13:26,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:13:26,262 INFO L87 Difference]: Start difference. First operand 4370 states and 6414 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-14 18:13:30,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:13:30,562 INFO L93 Difference]: Finished difference Result 5337 states and 8041 transitions. [2021-12-14 18:13:30,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:13:30,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 157 [2021-12-14 18:13:30,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:13:30,571 INFO L225 Difference]: With dead ends: 5337 [2021-12-14 18:13:30,571 INFO L226 Difference]: Without dead ends: 0 [2021-12-14 18:13:30,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-14 18:13:30,623 INFO L933 BasicCegarLoop]: 2711 mSDtfsCounter, 6112 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 4350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6409 SdHoareTripleChecker+Valid, 3817 SdHoareTripleChecker+Invalid, 5774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4350 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:13:30,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6409 Valid, 3817 Invalid, 5774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4350 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-14 18:13:30,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-14 18:13:30,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-14 18:13:30,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 18:13:30,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-14 18:13:30,626 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2021-12-14 18:13:30,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:13:30,626 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-14 18:13:30,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-14 18:13:30,627 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-14 18:13:30,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-14 18:13:30,629 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-14 18:13:30,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:13:30,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.