./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.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 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:04:22,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:04:22,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:04:22,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:04:22,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:04:22,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:04:22,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:04:22,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:04:22,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:04:22,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:04:22,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:04:22,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:04:22,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:04:22,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:04:22,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:04:22,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:04:22,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:04:22,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:04:22,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:04:22,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:04:22,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:04:22,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:04:22,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:04:22,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:04:22,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:04:22,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:04:22,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:04:22,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:04:22,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:04:22,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:04:22,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:04:22,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:04:22,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:04:22,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:04:22,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:04:22,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:04:22,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:04:22,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:04:22,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:04:22,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:04:22,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:04:22,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:04:22,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:04:22,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:04:22,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:04:22,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:04:22,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:04:22,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:04:22,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:04:22,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:04:22,938 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:04:22,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:04:22,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:04:22,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:04:22,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:04:22,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:04:22,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:04:22,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:04:22,940 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:04:22,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:04:22,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:04:22,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:04:22,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:04:22,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:04:22,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:04:22,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:04:22,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:04:22,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:04:22,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:04:22,948 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:04:22,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:04:22,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:04:22,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 [2021-12-28 04:04:23,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:04:23,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:04:23,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:04:23,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:04:23,248 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:04:23,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-12-28 04:04:23,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1706b6e58/4182fca2f72f418081ba978123b57486/FLAG6060e6901 [2021-12-28 04:04:23,940 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:04:23,941 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-12-28 04:04:23,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1706b6e58/4182fca2f72f418081ba978123b57486/FLAG6060e6901 [2021-12-28 04:04:24,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1706b6e58/4182fca2f72f418081ba978123b57486 [2021-12-28 04:04:24,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:04:24,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:04:24,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:04:24,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:04:24,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:04:24,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:04:24" (1/1) ... [2021-12-28 04:04:24,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c9e301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:24, skipping insertion in model container [2021-12-28 04:04:24,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:04:24" (1/1) ... [2021-12-28 04:04:24,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:04:24,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:04:24,569 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2021-12-28 04:04:24,571 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2021-12-28 04:04:24,816 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2021-12-28 04:04:25,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:04:25,735 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:04:25,803 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2021-12-28 04:04:25,804 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3748-3749] [2021-12-28 04:04:25,810 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i[117013,117026] [2021-12-28 04:04:26,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:04:26,129 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:04:26,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26 WrapperNode [2021-12-28 04:04:26,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:04:26,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:04:26,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:04:26,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:04:26,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26" (1/1) ... [2021-12-28 04:04:26,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26" (1/1) ... [2021-12-28 04:04:26,329 INFO L137 Inliner]: procedures = 245, calls = 3249, calls flagged for inlining = 96, calls inlined = 88, statements flattened = 4871 [2021-12-28 04:04:26,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:04:26,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:04:26,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:04:26,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:04:26,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26" (1/1) ... [2021-12-28 04:04:26,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26" (1/1) ... [2021-12-28 04:04:26,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26" (1/1) ... [2021-12-28 04:04:26,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26" (1/1) ... [2021-12-28 04:04:26,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26" (1/1) ... [2021-12-28 04:04:26,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26" (1/1) ... [2021-12-28 04:04:26,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26" (1/1) ... [2021-12-28 04:04:26,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:04:26,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:04:26,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:04:26,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:04:26,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26" (1/1) ... [2021-12-28 04:04:26,597 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:04:26,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:04:26,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:04:26,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:04:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_resume [2021-12-28 04:04:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_resume [2021-12-28 04:04:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_request [2021-12-28 04:04:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_request [2021-12-28 04:04:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_pullup [2021-12-28 04:04:26,652 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_pullup [2021-12-28 04:04:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2021-12-28 04:04:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2021-12-28 04:04:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_disable [2021-12-28 04:04:26,653 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_disable [2021-12-28 04:04:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:04:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:04:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:04:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:04:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-12-28 04:04:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-12-28 04:04:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:04:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:04:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:04:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:04:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-28 04:04:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-28 04:04:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure ep_open [2021-12-28 04:04:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_open [2021-12-28 04:04:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disconnect [2021-12-28 04:04:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disconnect [2021-12-28 04:04:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-28 04:04:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-28 04:04:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-28 04:04:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-28 04:04:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:04:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:04:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:04:26,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:04:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:04:26,657 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:04:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_write_fifo [2021-12-28 04:04:26,657 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_write_fifo [2021-12-28 04:04:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure __orr32 [2021-12-28 04:04:26,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __orr32 [2021-12-28 04:04:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_read_frameno [2021-12-28 04:04:26,657 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_read_frameno [2021-12-28 04:04:26,657 INFO L130 BoogieDeclarations]: Found specification of procedure our_ep [2021-12-28 04:04:26,657 INFO L138 BoogieDeclarations]: Found implementation of procedure our_ep [2021-12-28 04:04:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_dump [2021-12-28 04:04:26,658 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_dump [2021-12-28 04:04:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_core_init [2021-12-28 04:04:26,658 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_core_init [2021-12-28 04:04:26,658 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2021-12-28 04:04:26,658 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2021-12-28 04:04:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:04:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2021-12-28 04:04:26,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2021-12-28 04:04:26,659 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:04:26,660 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:04:26,660 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsotg [2021-12-28 04:04:26,660 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsotg [2021-12-28 04:04:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-28 04:04:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-28 04:04:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:04:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_enqueue_setup [2021-12-28 04:04:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_enqueue_setup [2021-12-28 04:04:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_start [2021-12-28 04:04:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_start [2021-12-28 04:04:26,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:04:26,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:04:26,662 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:04:26,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:04:26,662 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_probe [2021-12-28 04:04:26,662 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_probe [2021-12-28 04:04:26,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:04:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:04:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure our_req [2021-12-28 04:04:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure our_req [2021-12-28 04:04:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure ep_from_windex [2021-12-28 04:04:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_from_windex [2021-12-28 04:04:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_stop [2021-12-28 04:04:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_stop [2021-12-28 04:04:26,663 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-28 04:04:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-28 04:04:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_feature [2021-12-28 04:04:26,664 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_feature [2021-12-28 04:04:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_enable [2021-12-28 04:04:26,664 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_enable [2021-12-28 04:04:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_queue [2021-12-28 04:04:26,664 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_queue [2021-12-28 04:04:26,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_ep_head [2021-12-28 04:04:26,665 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ep_head [2021-12-28 04:04:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:04:26,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:04:26,665 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-12-28 04:04:26,665 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-12-28 04:04:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_open [2021-12-28 04:04:26,666 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_open [2021-12-28 04:04:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure phy_exit [2021-12-28 04:04:26,666 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_exit [2021-12-28 04:04:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-12-28 04:04:26,666 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-12-28 04:04:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_alloc_request [2021-12-28 04:04:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_alloc_request [2021-12-28 04:04:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_init_fifo [2021-12-28 04:04:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_init_fifo [2021-12-28 04:04:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:04:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:04:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:04:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_send_reply [2021-12-28 04:04:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_send_reply [2021-12-28 04:04:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-12-28 04:04:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-12-28 04:04:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_free_request [2021-12-28 04:04:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_free_request [2021-12-28 04:04:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 04:04:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 04:04:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_init [2021-12-28 04:04:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_init [2021-12-28 04:04:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:04:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:04:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:04:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep0_mps [2021-12-28 04:04:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep0_mps [2021-12-28 04:04:26,672 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt_lock [2021-12-28 04:04:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt_lock [2021-12-28 04:04:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_setup [2021-12-28 04:04:26,673 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_setup [2021-12-28 04:04:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_control [2021-12-28 04:04:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_control [2021-12-28 04:04:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:04:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-28 04:04:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-28 04:04:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_txfifo_flush [2021-12-28 04:04:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_txfifo_flush [2021-12-28 04:04:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt [2021-12-28 04:04:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt [2021-12-28 04:04:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:04:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:04:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_disable [2021-12-28 04:04:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_disable [2021-12-28 04:04:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_corereset [2021-12-28 04:04:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_corereset [2021-12-28 04:04:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:04:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_gadget_getframe [2021-12-28 04:04:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_gadget_getframe [2021-12-28 04:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-28 04:04:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-28 04:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:04:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-28 04:04:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-28 04:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure state_open [2021-12-28 04:04:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure state_open [2021-12-28 04:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure __bic32 [2021-12-28 04:04:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __bic32 [2021-12-28 04:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:04:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ctrl_epint [2021-12-28 04:04:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ctrl_epint [2021-12-28 04:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_en_gsint [2021-12-28 04:04:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_en_gsint [2021-12-28 04:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-28 04:04:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-28 04:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:04:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_set_ep_maxpacket [2021-12-28 04:04:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_set_ep_maxpacket [2021-12-28 04:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:04:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:04:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:04:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_enable [2021-12-28 04:04:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_enable [2021-12-28 04:04:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-28 04:04:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-28 04:04:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_requests [2021-12-28 04:04:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_requests [2021-12-28 04:04:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_remove [2021-12-28 04:04:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_remove [2021-12-28 04:04:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-28 04:04:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-28 04:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:04:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure using_dma [2021-12-28 04:04:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure using_dma [2021-12-28 04:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:04:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:04:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-28 04:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_dequeue [2021-12-28 04:04:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_dequeue [2021-12-28 04:04:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-28 04:04:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-28 04:04:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_start_req [2021-12-28 04:04:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_start_req [2021-12-28 04:04:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:04:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:04:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:04:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:04:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:04:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:04:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-28 04:04:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_stall_ep0 [2021-12-28 04:04:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_stall_ep0 [2021-12-28 04:04:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:04:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:04:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:04:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:04:27,361 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:04:27,363 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:04:27,894 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:04:30,458 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:04:30,475 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:04:30,475 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:04:30,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:04:30 BoogieIcfgContainer [2021-12-28 04:04:30,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:04:30,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:04:30,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:04:30,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:04:30,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:04:24" (1/3) ... [2021-12-28 04:04:30,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285eb151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:04:30, skipping insertion in model container [2021-12-28 04:04:30,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:04:26" (2/3) ... [2021-12-28 04:04:30,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285eb151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:04:30, skipping insertion in model container [2021-12-28 04:04:30,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:04:30" (3/3) ... [2021-12-28 04:04:30,484 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--dwc2--dwc2_gadget.ko-entry_point.cil.out.i [2021-12-28 04:04:30,488 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:04:30,488 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:04:30,532 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:04:30,536 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:04:30,536 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:04:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 1843 states, 1252 states have (on average 1.3210862619808306) internal successors, (1654), 1289 states have internal predecessors, (1654), 494 states have call successors, (494), 97 states have call predecessors, (494), 96 states have return successors, (486), 483 states have call predecessors, (486), 486 states have call successors, (486) [2021-12-28 04:04:30,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-28 04:04:30,578 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:04:30,579 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:04:30,579 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:04:30,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:04:30,583 INFO L85 PathProgramCache]: Analyzing trace with hash -2012223446, now seen corresponding path program 1 times [2021-12-28 04:04:30,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:04:30,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592710230] [2021-12-28 04:04:30,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:04:30,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:04:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:31,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:04:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:04:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:31,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:04:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:31,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:04:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:04:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:31,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:04:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:31,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:04:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:31,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 04:04:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:31,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:04:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:31,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 04:04:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-28 04:04:31,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:04:31,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592710230] [2021-12-28 04:04:31,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592710230] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:04:31,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:04:31,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:04:31,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95744965] [2021-12-28 04:04:31,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:04:31,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:04:31,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:04:31,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:04:31,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:04:31,192 INFO L87 Difference]: Start difference. First operand has 1843 states, 1252 states have (on average 1.3210862619808306) internal successors, (1654), 1289 states have internal predecessors, (1654), 494 states have call successors, (494), 97 states have call predecessors, (494), 96 states have return successors, (486), 483 states have call predecessors, (486), 486 states have call successors, (486) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-28 04:04:38,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:04:38,970 INFO L93 Difference]: Finished difference Result 5706 states and 8391 transitions. [2021-12-28 04:04:38,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:04:38,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 79 [2021-12-28 04:04:38,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:04:39,013 INFO L225 Difference]: With dead ends: 5706 [2021-12-28 04:04:39,013 INFO L226 Difference]: Without dead ends: 3827 [2021-12-28 04:04:39,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:04:39,035 INFO L933 BasicCegarLoop]: 2602 mSDtfsCounter, 4239 mSDsluCounter, 3622 mSDsCounter, 0 mSdLazyCounter, 3263 mSolverCounterSat, 3061 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4554 SdHoareTripleChecker+Valid, 6224 SdHoareTripleChecker+Invalid, 6324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3061 IncrementalHoareTripleChecker+Valid, 3263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:04:39,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4554 Valid, 6224 Invalid, 6324 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3061 Valid, 3263 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-12-28 04:04:39,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2021-12-28 04:04:39,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3563. [2021-12-28 04:04:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 2426 states have (on average 1.311624072547403) internal successors, (3182), 2479 states have internal predecessors, (3182), 947 states have call successors, (947), 190 states have call predecessors, (947), 189 states have return successors, (946), 939 states have call predecessors, (946), 946 states have call successors, (946) [2021-12-28 04:04:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 5075 transitions. [2021-12-28 04:04:39,276 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 5075 transitions. Word has length 79 [2021-12-28 04:04:39,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:04:39,278 INFO L470 AbstractCegarLoop]: Abstraction has 3563 states and 5075 transitions. [2021-12-28 04:04:39,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-28 04:04:39,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 5075 transitions. [2021-12-28 04:04:39,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-12-28 04:04:39,294 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:04:39,294 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:04:39,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:04:39,295 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:04:39,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:04:39,296 INFO L85 PathProgramCache]: Analyzing trace with hash 2050837602, now seen corresponding path program 1 times [2021-12-28 04:04:39,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:04:39,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419597948] [2021-12-28 04:04:39,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:04:39,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:04:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:04:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:04:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:04:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:04:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:04:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:04:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:04:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 04:04:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:04:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 04:04:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:04:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 04:04:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 04:04:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-28 04:04:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:04:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 04:04:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:04:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:04:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 04:04:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:04:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 04:04:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2021-12-28 04:04:39,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:04:39,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419597948] [2021-12-28 04:04:39,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419597948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:04:39,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:04:39,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:04:39,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533483003] [2021-12-28 04:04:39,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:04:39,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:04:39,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:04:39,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:04:39,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:04:39,816 INFO L87 Difference]: Start difference. First operand 3563 states and 5075 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-28 04:04:47,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:04:47,780 INFO L93 Difference]: Finished difference Result 5955 states and 8534 transitions. [2021-12-28 04:04:47,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:04:47,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 165 [2021-12-28 04:04:47,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:04:47,807 INFO L225 Difference]: With dead ends: 5955 [2021-12-28 04:04:47,808 INFO L226 Difference]: Without dead ends: 5952 [2021-12-28 04:04:47,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:04:47,811 INFO L933 BasicCegarLoop]: 3052 mSDtfsCounter, 2942 mSDsluCounter, 3576 mSDsCounter, 0 mSdLazyCounter, 2997 mSolverCounterSat, 2172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3164 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 5169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2172 IncrementalHoareTripleChecker+Valid, 2997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:04:47,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3164 Valid, 6628 Invalid, 5169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2172 Valid, 2997 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-12-28 04:04:47,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5952 states. [2021-12-28 04:04:47,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5952 to 5581. [2021-12-28 04:04:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5581 states, 3780 states have (on average 1.294179894179894) internal successors, (4892), 3871 states have internal predecessors, (4892), 1477 states have call successors, (1477), 320 states have call predecessors, (1477), 323 states have return successors, (1527), 1459 states have call predecessors, (1527), 1476 states have call successors, (1527) [2021-12-28 04:04:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5581 states to 5581 states and 7896 transitions. [2021-12-28 04:04:48,002 INFO L78 Accepts]: Start accepts. Automaton has 5581 states and 7896 transitions. Word has length 165 [2021-12-28 04:04:48,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:04:48,003 INFO L470 AbstractCegarLoop]: Abstraction has 5581 states and 7896 transitions. [2021-12-28 04:04:48,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-28 04:04:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 5581 states and 7896 transitions. [2021-12-28 04:04:48,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-28 04:04:48,013 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:04:48,013 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:04:48,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:04:48,014 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:04:48,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:04:48,014 INFO L85 PathProgramCache]: Analyzing trace with hash 987581138, now seen corresponding path program 1 times [2021-12-28 04:04:48,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:04:48,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689061090] [2021-12-28 04:04:48,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:04:48,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:04:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:04:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:04:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:04:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:04:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:04:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:04:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:04:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 04:04:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:04:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 04:04:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:04:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:04:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-28 04:04:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 04:04:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:04:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:04:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:04:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:04:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:04:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:04:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:04:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 04:04:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:04:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-28 04:04:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-28 04:04:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:04:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-12-28 04:04:48,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:04:48,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689061090] [2021-12-28 04:04:48,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689061090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:04:48,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:04:48,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:04:48,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153964021] [2021-12-28 04:04:48,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:04:48,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:04:48,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:04:48,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:04:48,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:04:48,434 INFO L87 Difference]: Start difference. First operand 5581 states and 7896 transitions. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-28 04:05:00,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:05:00,418 INFO L93 Difference]: Finished difference Result 17380 states and 24791 transitions. [2021-12-28 04:05:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 04:05:00,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 206 [2021-12-28 04:05:00,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:05:00,480 INFO L225 Difference]: With dead ends: 17380 [2021-12-28 04:05:00,480 INFO L226 Difference]: Without dead ends: 11826 [2021-12-28 04:05:00,505 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-12-28 04:05:00,506 INFO L933 BasicCegarLoop]: 3793 mSDtfsCounter, 4734 mSDsluCounter, 4034 mSDsCounter, 0 mSdLazyCounter, 6728 mSolverCounterSat, 4182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5103 SdHoareTripleChecker+Valid, 7827 SdHoareTripleChecker+Invalid, 10910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4182 IncrementalHoareTripleChecker+Valid, 6728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:05:00,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5103 Valid, 7827 Invalid, 10910 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4182 Valid, 6728 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2021-12-28 04:05:00,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11826 states. [2021-12-28 04:05:00,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11826 to 10950. [2021-12-28 04:05:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10950 states, 7403 states have (on average 1.2933945697690126) internal successors, (9575), 7580 states have internal predecessors, (9575), 2906 states have call successors, (2906), 615 states have call predecessors, (2906), 640 states have return successors, (3019), 2894 states have call predecessors, (3019), 2905 states have call successors, (3019) [2021-12-28 04:05:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10950 states to 10950 states and 15500 transitions. [2021-12-28 04:05:01,013 INFO L78 Accepts]: Start accepts. Automaton has 10950 states and 15500 transitions. Word has length 206 [2021-12-28 04:05:01,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:05:01,014 INFO L470 AbstractCegarLoop]: Abstraction has 10950 states and 15500 transitions. [2021-12-28 04:05:01,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-28 04:05:01,017 INFO L276 IsEmpty]: Start isEmpty. Operand 10950 states and 15500 transitions. [2021-12-28 04:05:01,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-28 04:05:01,032 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:05:01,033 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:05:01,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:05:01,033 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:05:01,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:05:01,034 INFO L85 PathProgramCache]: Analyzing trace with hash -39776023, now seen corresponding path program 1 times [2021-12-28 04:05:01,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:05:01,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833802178] [2021-12-28 04:05:01,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:05:01,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:05:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:05:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:05:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:05:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:05:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:05:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:05:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 04:05:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:05:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 04:05:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-28 04:05:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 04:05:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 04:05:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-28 04:05:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:05:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:05:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:05:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:05:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-28 04:05:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:05:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:05:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-28 04:05:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:05:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:05:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:05:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:01,350 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-12-28 04:05:01,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:05:01,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833802178] [2021-12-28 04:05:01,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833802178] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:05:01,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:05:01,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:05:01,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281682739] [2021-12-28 04:05:01,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:05:01,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:05:01,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:05:01,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:05:01,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:05:01,353 INFO L87 Difference]: Start difference. First operand 10950 states and 15500 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:05:11,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:05:11,493 INFO L93 Difference]: Finished difference Result 31791 states and 45334 transitions. [2021-12-28 04:05:11,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 04:05:11,494 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 216 [2021-12-28 04:05:11,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:05:11,580 INFO L225 Difference]: With dead ends: 31791 [2021-12-28 04:05:11,581 INFO L226 Difference]: Without dead ends: 20877 [2021-12-28 04:05:11,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-12-28 04:05:11,622 INFO L933 BasicCegarLoop]: 2349 mSDtfsCounter, 6660 mSDsluCounter, 3062 mSDsCounter, 0 mSdLazyCounter, 5665 mSolverCounterSat, 5480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7038 SdHoareTripleChecker+Valid, 5411 SdHoareTripleChecker+Invalid, 11145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5480 IncrementalHoareTripleChecker+Valid, 5665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:05:11,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7038 Valid, 5411 Invalid, 11145 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5480 Valid, 5665 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2021-12-28 04:05:11,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20877 states. [2021-12-28 04:05:12,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20877 to 19345. [2021-12-28 04:05:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19345 states, 13097 states have (on average 1.294342215774605) internal successors, (16952), 13409 states have internal predecessors, (16952), 5115 states have call successors, (5115), 1088 states have call predecessors, (5115), 1132 states have return successors, (5321), 5094 states have call predecessors, (5321), 5114 states have call successors, (5321) [2021-12-28 04:05:12,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19345 states to 19345 states and 27388 transitions. [2021-12-28 04:05:12,294 INFO L78 Accepts]: Start accepts. Automaton has 19345 states and 27388 transitions. Word has length 216 [2021-12-28 04:05:12,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:05:12,296 INFO L470 AbstractCegarLoop]: Abstraction has 19345 states and 27388 transitions. [2021-12-28 04:05:12,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (37), 5 states have call predecessors, (37), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:05:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 19345 states and 27388 transitions. [2021-12-28 04:05:12,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-12-28 04:05:12,316 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:05:12,316 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:05:12,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:05:12,317 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:05:12,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:05:12,318 INFO L85 PathProgramCache]: Analyzing trace with hash -492455745, now seen corresponding path program 1 times [2021-12-28 04:05:12,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:05:12,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673787730] [2021-12-28 04:05:12,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:05:12,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:05:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:05:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:05:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:05:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:05:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:05:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:05:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 04:05:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:05:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 04:05:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:05:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-28 04:05:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-28 04:05:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 04:05:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:05:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:05:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:05:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:05:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 04:05:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 04:05:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:05:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:05:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-28 04:05:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:05:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:05:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:12,619 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-12-28 04:05:12,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:05:12,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673787730] [2021-12-28 04:05:12,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673787730] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:05:12,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:05:12,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:05:12,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407821413] [2021-12-28 04:05:12,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:05:12,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:05:12,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:05:12,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:05:12,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:05:12,621 INFO L87 Difference]: Start difference. First operand 19345 states and 27388 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:05:19,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:05:19,173 INFO L93 Difference]: Finished difference Result 40172 states and 57207 transitions. [2021-12-28 04:05:19,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 04:05:19,173 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 227 [2021-12-28 04:05:19,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:05:19,260 INFO L225 Difference]: With dead ends: 40172 [2021-12-28 04:05:19,260 INFO L226 Difference]: Without dead ends: 20871 [2021-12-28 04:05:19,321 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:05:19,322 INFO L933 BasicCegarLoop]: 2136 mSDtfsCounter, 2369 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 4226 mSolverCounterSat, 2250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 5097 SdHoareTripleChecker+Invalid, 6476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2250 IncrementalHoareTripleChecker+Valid, 4226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:05:19,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2584 Valid, 5097 Invalid, 6476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2250 Valid, 4226 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-28 04:05:19,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20871 states. [2021-12-28 04:05:19,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20871 to 19332. [2021-12-28 04:05:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19332 states, 13084 states have (on average 1.294328951391012) internal successors, (16935), 13398 states have internal predecessors, (16935), 5115 states have call successors, (5115), 1088 states have call predecessors, (5115), 1132 states have return successors, (5321), 5092 states have call predecessors, (5321), 5114 states have call successors, (5321) [2021-12-28 04:05:20,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19332 states to 19332 states and 27371 transitions. [2021-12-28 04:05:20,086 INFO L78 Accepts]: Start accepts. Automaton has 19332 states and 27371 transitions. Word has length 227 [2021-12-28 04:05:20,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:05:20,087 INFO L470 AbstractCegarLoop]: Abstraction has 19332 states and 27371 transitions. [2021-12-28 04:05:20,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-28 04:05:20,087 INFO L276 IsEmpty]: Start isEmpty. Operand 19332 states and 27371 transitions. [2021-12-28 04:05:20,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-28 04:05:20,117 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:05:20,117 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:05:20,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:05:20,118 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:05:20,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:05:20,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1041847159, now seen corresponding path program 1 times [2021-12-28 04:05:20,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:05:20,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676348915] [2021-12-28 04:05:20,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:05:20,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:05:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:05:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:05:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:05:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:05:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 04:05:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-28 04:05:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 04:05:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:05:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 04:05:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:05:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 04:05:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 04:05:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-28 04:05:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:05:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 04:05:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:05:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:05:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-28 04:05:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:05:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-28 04:05:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:05:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-28 04:05:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 04:05:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-28 04:05:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:05:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-28 04:05:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:05:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:05:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-28 04:05:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:05:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:05:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-28 04:05:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-28 04:05:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-28 04:05:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-28 04:05:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:05:20,698 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2021-12-28 04:05:20,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:05:20,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676348915] [2021-12-28 04:05:20,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676348915] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:05:20,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:05:20,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:05:20,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28532837] [2021-12-28 04:05:20,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:05:20,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:05:20,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:05:20,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:05:20,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:05:20,702 INFO L87 Difference]: Start difference. First operand 19332 states and 27371 transitions. Second operand has 9 states, 8 states have (on average 16.875) internal successors, (135), 6 states have internal predecessors, (135), 4 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36)