./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 e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-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-e19ca92 [2021-12-22 14:46:08,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:46:08,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:46:08,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:46:08,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:46:08,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:46:08,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:46:08,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:46:08,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:46:08,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:46:08,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:46:08,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:46:08,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:46:08,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:46:08,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:46:08,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:46:08,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:46:08,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:46:08,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:46:08,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:46:08,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:46:08,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:46:08,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:46:08,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:46:08,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:46:08,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:46:08,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:46:08,896 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:46:08,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:46:08,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:46:08,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:46:08,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:46:08,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:46:08,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:46:08,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:46:08,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:46:08,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:46:08,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:46:08,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:46:08,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:46:08,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:46:08,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:46:08,925 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:46:08,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:46:08,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:46:08,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:46:08,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:46:08,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:46:08,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:46:08,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:46:08,927 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:46:08,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:46:08,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:46:08,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:46:08,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:46:08,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:46:08,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:46:08,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:46:08,929 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:46:08,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:46:08,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:46:08,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:46:08,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:46:08,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:46:08,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:46:08,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:46:08,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:46:08,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:46:08,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:46:08,931 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:46:08,932 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:46:08,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:46:08,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:46:08,932 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 571c11c6f0409625a5365ddd11520f6f1824739b70fa0b8a35b203b7dabba441 [2021-12-22 14:46:09,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:46:09,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:46:09,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:46:09,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:46:09,154 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:46:09,155 INFO L432 ainManager$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 [2021-12-22 14:46:09,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f918ac623/226f198138bd4681bf7ad82974d48d4b/FLAG0d46ff2cd [2021-12-22 14:46:09,808 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:46:09,809 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 [2021-12-22 14:46:09,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f918ac623/226f198138bd4681bf7ad82974d48d4b/FLAG0d46ff2cd [2021-12-22 14:46:10,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f918ac623/226f198138bd4681bf7ad82974d48d4b [2021-12-22 14:46:10,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:46:10,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:46:10,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:46:10,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:46:10,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:46:10,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:46:10" (1/1) ... [2021-12-22 14:46:10,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a583ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:10, skipping insertion in model container [2021-12-22 14:46:10,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:46:10" (1/1) ... [2021-12-22 14:46:10,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:46:10,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:46:10,709 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2021-12-22 14:46:10,709 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] [2021-12-22 14:46:10,917 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] [2021-12-22 14:46:11,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:46:11,637 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:46:11,688 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3747] [2021-12-22 14:46:11,690 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] [2021-12-22 14:46:11,697 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] [2021-12-22 14:46:11,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:46:11,995 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:46:11,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11 WrapperNode [2021-12-22 14:46:11,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:46:11,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:46:11,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:46:11,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:46:12,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11" (1/1) ... [2021-12-22 14:46:12,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11" (1/1) ... [2021-12-22 14:46:12,178 INFO L137 Inliner]: procedures = 245, calls = 3249, calls flagged for inlining = 96, calls inlined = 88, statements flattened = 4871 [2021-12-22 14:46:12,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:46:12,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:46:12,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:46:12,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:46:12,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11" (1/1) ... [2021-12-22 14:46:12,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11" (1/1) ... [2021-12-22 14:46:12,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11" (1/1) ... [2021-12-22 14:46:12,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11" (1/1) ... [2021-12-22 14:46:12,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11" (1/1) ... [2021-12-22 14:46:12,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11" (1/1) ... [2021-12-22 14:46:12,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11" (1/1) ... [2021-12-22 14:46:12,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:46:12,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:46:12,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:46:12,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:46:12,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11" (1/1) ... [2021-12-22 14:46:12,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:46:12,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:46:12,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:46:12,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:46:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_resume [2021-12-22 14:46:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_resume [2021-12-22 14:46:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_request [2021-12-22 14:46:12,456 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_request [2021-12-22 14:46:12,456 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_pullup [2021-12-22 14:46:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_pullup [2021-12-22 14:46:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_enable [2021-12-22 14:46:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_enable [2021-12-22 14:46:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_disable [2021-12-22 14:46:12,457 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_disable [2021-12-22 14:46:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:46:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:46:12,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:46:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:46:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-12-22 14:46:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-12-22 14:46:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 14:46:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 14:46:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:46:12,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:46:12,458 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-12-22 14:46:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-12-22 14:46:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure ep_open [2021-12-22 14:46:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_open [2021-12-22 14:46:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_disconnect [2021-12-22 14:46:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_disconnect [2021-12-22 14:46:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-22 14:46:12,459 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-22 14:46:12,459 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-22 14:46:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-22 14:46:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:46:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:46:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:46:12,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:46:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:46:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:46:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_write_fifo [2021-12-22 14:46:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_write_fifo [2021-12-22 14:46:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure __orr32 [2021-12-22 14:46:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __orr32 [2021-12-22 14:46:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_read_frameno [2021-12-22 14:46:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_read_frameno [2021-12-22 14:46:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure our_ep [2021-12-22 14:46:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure our_ep [2021-12-22 14:46:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_dump [2021-12-22 14:46:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_dump [2021-12-22 14:46:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_core_init [2021-12-22 14:46:12,462 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_core_init [2021-12-22 14:46:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2021-12-22 14:46:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2021-12-22 14:46:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:46:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2021-12-22 14:46:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2021-12-22 14:46:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:46:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:46:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsotg [2021-12-22 14:46:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsotg [2021-12-22 14:46:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-22 14:46:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-22 14:46:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:46:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_enqueue_setup [2021-12-22 14:46:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_enqueue_setup [2021-12-22 14:46:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_start [2021-12-22 14:46:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_start [2021-12-22 14:46:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 14:46:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 14:46:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:46:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:46:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_probe [2021-12-22 14:46:12,466 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_probe [2021-12-22 14:46:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:46:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:46:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure our_req [2021-12-22 14:46:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure our_req [2021-12-22 14:46:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure ep_from_windex [2021-12-22 14:46:12,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_from_windex [2021-12-22 14:46:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_udc_stop [2021-12-22 14:46:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_udc_stop [2021-12-22 14:46:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-22 14:46:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-22 14:46:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_req_feature [2021-12-22 14:46:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_req_feature [2021-12-22 14:46:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_enable [2021-12-22 14:46:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_enable [2021-12-22 14:46:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_queue [2021-12-22 14:46:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_queue [2021-12-22 14:46:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure get_ep_head [2021-12-22 14:46:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ep_head [2021-12-22 14:46:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:46:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:46:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-12-22 14:46:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-12-22 14:46:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_open [2021-12-22 14:46:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_open [2021-12-22 14:46:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure phy_exit [2021-12-22 14:46:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_exit [2021-12-22 14:46:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-12-22 14:46:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-12-22 14:46:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_alloc_request [2021-12-22 14:46:12,471 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_alloc_request [2021-12-22 14:46:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_init_fifo [2021-12-22 14:46:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_init_fifo [2021-12-22 14:46:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:46:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:46:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:46:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_send_reply [2021-12-22 14:46:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_send_reply [2021-12-22 14:46:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure phy_init [2021-12-22 14:46:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_init [2021-12-22 14:46:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_free_request [2021-12-22 14:46:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_free_request [2021-12-22 14:46:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 14:46:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-22 14:46:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_init [2021-12-22 14:46:12,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_init [2021-12-22 14:46:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 14:46:12,476 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 14:46:12,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:46:12,477 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep0_mps [2021-12-22 14:46:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep0_mps [2021-12-22 14:46:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt_lock [2021-12-22 14:46:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt_lock [2021-12-22 14:46:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_complete_setup [2021-12-22 14:46:12,478 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_complete_setup [2021-12-22 14:46:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_process_control [2021-12-22 14:46:12,482 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_process_control [2021-12-22 14:46:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:46:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-12-22 14:46:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-12-22 14:46:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_txfifo_flush [2021-12-22 14:46:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_txfifo_flush [2021-12-22 14:46:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_sethalt [2021-12-22 14:46:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_sethalt [2021-12-22 14:46:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 14:46:12,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 14:46:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_disable [2021-12-22 14:46:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_disable [2021-12-22 14:46:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_corereset [2021-12-22 14:46:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_corereset [2021-12-22 14:46:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:46:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:46:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_gadget_getframe [2021-12-22 14:46:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_gadget_getframe [2021-12-22 14:46:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-22 14:46:12,484 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-22 14:46:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 14:46:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 14:46:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:46:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-12-22 14:46:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-12-22 14:46:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure state_open [2021-12-22 14:46:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure state_open [2021-12-22 14:46:12,485 INFO L130 BoogieDeclarations]: Found specification of procedure __bic32 [2021-12-22 14:46:12,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __bic32 [2021-12-22 14:46:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:46:12,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:46:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ctrl_epint [2021-12-22 14:46:12,486 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ctrl_epint [2021-12-22 14:46:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:46:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_en_gsint [2021-12-22 14:46:12,486 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_en_gsint [2021-12-22 14:46:12,486 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-12-22 14:46:12,486 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-12-22 14:46:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:46:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:46:12,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:46:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:46:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_set_ep_maxpacket [2021-12-22 14:46:12,487 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_set_ep_maxpacket [2021-12-22 14:46:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:46:12,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:46:12,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:46:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:46:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_phy_enable [2021-12-22 14:46:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_phy_enable [2021-12-22 14:46:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 14:46:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 14:46:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_requests [2021-12-22 14:46:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_requests [2021-12-22 14:46:12,488 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_remove [2021-12-22 14:46:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_remove [2021-12-22 14:46:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-22 14:46:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-22 14:46:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:46:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:46:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure using_dma [2021-12-22 14:46:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure using_dma [2021-12-22 14:46:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:46:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:46:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:46:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 14:46:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_ep_dequeue [2021-12-22 14:46:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_ep_dequeue [2021-12-22 14:46:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-22 14:46:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-22 14:46:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_start_req [2021-12-22 14:46:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_start_req [2021-12-22 14:46:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 14:46:12,490 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 14:46:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 14:46:12,491 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 14:46:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:46:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:46:12,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 14:46:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hsotg_stall_ep0 [2021-12-22 14:46:12,491 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hsotg_stall_ep0 [2021-12-22 14:46:12,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:46:12,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:46:12,492 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 14:46:12,492 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 14:46:13,097 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:46:13,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:46:13,591 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:46:15,938 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:46:15,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:46:15,951 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 14:46:15,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:46:15 BoogieIcfgContainer [2021-12-22 14:46:15,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:46:15,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:46:15,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:46:15,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:46:15,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:46:10" (1/3) ... [2021-12-22 14:46:15,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca396ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:46:15, skipping insertion in model container [2021-12-22 14:46:15,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:46:11" (2/3) ... [2021-12-22 14:46:15,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca396ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:46:15, skipping insertion in model container [2021-12-22 14:46:15,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:46:15" (3/3) ... [2021-12-22 14:46:15,975 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 [2021-12-22 14:46:15,978 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:46:15,979 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:46:16,026 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:46:16,030 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:46:16,030 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:46:16,073 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) [2021-12-22 14:46:16,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-22 14:46:16,082 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:46:16,082 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] [2021-12-22 14:46:16,083 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:46:16,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:46:16,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2012223446, now seen corresponding path program 1 times [2021-12-22 14:46:16,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:46:16,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547864505] [2021-12-22 14:46:16,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:46:16,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:46:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:16,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:46:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:16,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:46:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:16,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:46:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:46:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:46:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:16,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:46:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:46:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:16,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:46:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:16,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:46:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:16,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 14:46:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-22 14:46:16,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:46:16,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547864505] [2021-12-22 14:46:16,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547864505] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:46:16,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:46:16,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:46:16,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761480803] [2021-12-22 14:46:16,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:46:16,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:46:16,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:46:16,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:46:16,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:46:16,781 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) [2021-12-22 14:46:23,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:46:23,913 INFO L93 Difference]: Finished difference Result 5706 states and 8391 transitions. [2021-12-22 14:46:23,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:46:23,915 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 [2021-12-22 14:46:23,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:46:23,964 INFO L225 Difference]: With dead ends: 5706 [2021-12-22 14:46:23,964 INFO L226 Difference]: Without dead ends: 3827 [2021-12-22 14:46:23,978 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 [2021-12-22 14:46:23,981 INFO L933 BasicCegarLoop]: 2599 mSDtfsCounter, 4239 mSDsluCounter, 3920 mSDsCounter, 0 mSdLazyCounter, 2957 mSolverCounterSat, 3061 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4555 SdHoareTripleChecker+Valid, 6519 SdHoareTripleChecker+Invalid, 6018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3061 IncrementalHoareTripleChecker+Valid, 2957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-22 14:46:23,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4555 Valid, 6519 Invalid, 6018 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3061 Valid, 2957 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-12-22 14:46:24,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2021-12-22 14:46:24,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3563. [2021-12-22 14:46:24,189 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) [2021-12-22 14:46:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 5075 transitions. [2021-12-22 14:46:24,213 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 5075 transitions. Word has length 79 [2021-12-22 14:46:24,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:46:24,215 INFO L470 AbstractCegarLoop]: Abstraction has 3563 states and 5075 transitions. [2021-12-22 14:46:24,215 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) [2021-12-22 14:46:24,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 5075 transitions. [2021-12-22 14:46:24,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-12-22 14:46:24,231 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:46:24,232 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] [2021-12-22 14:46:24,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:46:24,232 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:46:24,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:46:24,233 INFO L85 PathProgramCache]: Analyzing trace with hash 2050837602, now seen corresponding path program 1 times [2021-12-22 14:46:24,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:46:24,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984596959] [2021-12-22 14:46:24,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:46:24,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:46:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:46:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:46:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:46:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:46:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:46:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:46:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:46:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:46:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:46:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 14:46:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 14:46:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 14:46:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 14:46:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-22 14:46:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 14:46:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 14:46:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 14:46:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:46:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 14:46:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 14:46:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 14:46:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:24,733 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2021-12-22 14:46:24,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:46:24,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984596959] [2021-12-22 14:46:24,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984596959] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:46:24,734 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:46:24,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:46:24,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263672078] [2021-12-22 14:46:24,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:46:24,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:46:24,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:46:24,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:46:24,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:46:24,737 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) [2021-12-22 14:46:32,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:46:32,210 INFO L93 Difference]: Finished difference Result 5955 states and 8534 transitions. [2021-12-22 14:46:32,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:46:32,210 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 [2021-12-22 14:46:32,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:46:32,240 INFO L225 Difference]: With dead ends: 5955 [2021-12-22 14:46:32,240 INFO L226 Difference]: Without dead ends: 5952 [2021-12-22 14:46:32,245 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 [2021-12-22 14:46:32,246 INFO L933 BasicCegarLoop]: 3053 mSDtfsCounter, 2942 mSDsluCounter, 3813 mSDsCounter, 0 mSdLazyCounter, 2760 mSolverCounterSat, 2170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3165 SdHoareTripleChecker+Valid, 6866 SdHoareTripleChecker+Invalid, 4930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2170 IncrementalHoareTripleChecker+Valid, 2760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:46:32,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3165 Valid, 6866 Invalid, 4930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2170 Valid, 2760 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-12-22 14:46:32,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5952 states. [2021-12-22 14:46:32,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5952 to 5581. [2021-12-22 14:46:32,480 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) [2021-12-22 14:46:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5581 states to 5581 states and 7896 transitions. [2021-12-22 14:46:32,509 INFO L78 Accepts]: Start accepts. Automaton has 5581 states and 7896 transitions. Word has length 165 [2021-12-22 14:46:32,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:46:32,511 INFO L470 AbstractCegarLoop]: Abstraction has 5581 states and 7896 transitions. [2021-12-22 14:46:32,511 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) [2021-12-22 14:46:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5581 states and 7896 transitions. [2021-12-22 14:46:32,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-22 14:46:32,520 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:46:32,520 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] [2021-12-22 14:46:32,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:46:32,520 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:46:32,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:46:32,521 INFO L85 PathProgramCache]: Analyzing trace with hash 987581138, now seen corresponding path program 1 times [2021-12-22 14:46:32,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:46:32,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810072634] [2021-12-22 14:46:32,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:46:32,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:46:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:46:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:46:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:46:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:46:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:46:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:46:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:46:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:46:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:46:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 14:46:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 14:46:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:46:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-22 14:46:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 14:46:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:46:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 14:46:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:46:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-22 14:46:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 14:46:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 14:46:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 14:46:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-22 14:46:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-22 14:46:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-12-22 14:46:32,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:46:32,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810072634] [2021-12-22 14:46:32,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810072634] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:46:32,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:46:32,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:46:32,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474552290] [2021-12-22 14:46:32,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:46:32,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:46:32,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:46:32,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:46:32,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:46:32,887 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) [2021-12-22 14:46:44,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:46:44,611 INFO L93 Difference]: Finished difference Result 17380 states and 24791 transitions. [2021-12-22 14:46:44,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 14:46:44,612 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 [2021-12-22 14:46:44,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:46:44,662 INFO L225 Difference]: With dead ends: 17380 [2021-12-22 14:46:44,662 INFO L226 Difference]: Without dead ends: 11826 [2021-12-22 14:46:44,679 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 [2021-12-22 14:46:44,680 INFO L933 BasicCegarLoop]: 3794 mSDtfsCounter, 4734 mSDsluCounter, 4432 mSDsCounter, 0 mSdLazyCounter, 6333 mSolverCounterSat, 4184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5104 SdHoareTripleChecker+Valid, 8226 SdHoareTripleChecker+Invalid, 10517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4184 IncrementalHoareTripleChecker+Valid, 6333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:46:44,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5104 Valid, 8226 Invalid, 10517 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4184 Valid, 6333 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2021-12-22 14:46:44,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11826 states. [2021-12-22 14:46:45,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11826 to 10950. [2021-12-22 14:46:45,027 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) [2021-12-22 14:46:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10950 states to 10950 states and 15500 transitions. [2021-12-22 14:46:45,065 INFO L78 Accepts]: Start accepts. Automaton has 10950 states and 15500 transitions. Word has length 206 [2021-12-22 14:46:45,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:46:45,065 INFO L470 AbstractCegarLoop]: Abstraction has 10950 states and 15500 transitions. [2021-12-22 14:46:45,067 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) [2021-12-22 14:46:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 10950 states and 15500 transitions. [2021-12-22 14:46:45,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-22 14:46:45,080 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:46:45,081 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] [2021-12-22 14:46:45,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:46:45,083 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:46:45,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:46:45,083 INFO L85 PathProgramCache]: Analyzing trace with hash -39776023, now seen corresponding path program 1 times [2021-12-22 14:46:45,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:46:45,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270582851] [2021-12-22 14:46:45,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:46:45,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:46:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:46:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:46:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:46:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:46:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:46:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:46:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:46:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:46:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:46:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 14:46:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-22 14:46:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 14:46:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-22 14:46:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-22 14:46:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 14:46:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:46:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 14:46:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 14:46:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-22 14:46:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 14:46:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-22 14:46:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 14:46:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 14:46:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 14:46:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-12-22 14:46:45,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:46:45,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270582851] [2021-12-22 14:46:45,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270582851] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:46:45,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:46:45,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:46:45,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414627851] [2021-12-22 14:46:45,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:46:45,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:46:45,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:46:45,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:46:45,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:46:45,394 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) [2021-12-22 14:46:54,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:46:54,585 INFO L93 Difference]: Finished difference Result 31791 states and 45334 transitions. [2021-12-22 14:46:54,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-22 14:46:54,585 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 [2021-12-22 14:46:54,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:46:54,682 INFO L225 Difference]: With dead ends: 31791 [2021-12-22 14:46:54,682 INFO L226 Difference]: Without dead ends: 20877 [2021-12-22 14:46:54,715 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 [2021-12-22 14:46:54,717 INFO L933 BasicCegarLoop]: 2349 mSDtfsCounter, 6660 mSDsluCounter, 3460 mSDsCounter, 0 mSdLazyCounter, 5277 mSolverCounterSat, 5477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7038 SdHoareTripleChecker+Valid, 5809 SdHoareTripleChecker+Invalid, 10754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5477 IncrementalHoareTripleChecker+Valid, 5277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-22 14:46:54,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7038 Valid, 5809 Invalid, 10754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5477 Valid, 5277 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2021-12-22 14:46:54,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20877 states. [2021-12-22 14:46:55,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20877 to 19345. [2021-12-22 14:46:55,443 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) [2021-12-22 14:46:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19345 states to 19345 states and 27388 transitions. [2021-12-22 14:46:55,514 INFO L78 Accepts]: Start accepts. Automaton has 19345 states and 27388 transitions. Word has length 216 [2021-12-22 14:46:55,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:46:55,515 INFO L470 AbstractCegarLoop]: Abstraction has 19345 states and 27388 transitions. [2021-12-22 14:46:55,516 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) [2021-12-22 14:46:55,516 INFO L276 IsEmpty]: Start isEmpty. Operand 19345 states and 27388 transitions. [2021-12-22 14:46:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-12-22 14:46:55,538 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:46:55,538 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] [2021-12-22 14:46:55,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 14:46:55,538 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:46:55,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:46:55,539 INFO L85 PathProgramCache]: Analyzing trace with hash -492455745, now seen corresponding path program 1 times [2021-12-22 14:46:55,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:46:55,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858097852] [2021-12-22 14:46:55,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:46:55,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:46:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:46:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:46:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:46:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:46:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:46:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:46:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:46:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:46:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:46:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 14:46:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 14:46:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-22 14:46:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-22 14:46:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 14:46:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 14:46:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:46:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 14:46:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-22 14:46:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-22 14:46:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-22 14:46:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:46:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 14:46:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 14:46:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 14:46:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 14:46:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:46:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-12-22 14:46:55,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:46:55,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858097852] [2021-12-22 14:46:55,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858097852] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:46:55,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:46:55,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:46:55,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000603446] [2021-12-22 14:46:55,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:46:55,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:46:55,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:46:55,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:46:55,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:46:55,948 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) [2021-12-22 14:47:02,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:47:02,200 INFO L93 Difference]: Finished difference Result 40172 states and 57207 transitions. [2021-12-22 14:47:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 14:47:02,200 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 [2021-12-22 14:47:02,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:47:02,415 INFO L225 Difference]: With dead ends: 40172 [2021-12-22 14:47:02,415 INFO L226 Difference]: Without dead ends: 20871 [2021-12-22 14:47:02,479 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 [2021-12-22 14:47:02,480 INFO L933 BasicCegarLoop]: 2136 mSDtfsCounter, 2369 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 3863 mSolverCounterSat, 2244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 5483 SdHoareTripleChecker+Invalid, 6107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2244 IncrementalHoareTripleChecker+Valid, 3863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-22 14:47:02,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2584 Valid, 5483 Invalid, 6107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2244 Valid, 3863 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-22 14:47:02,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20871 states. [2021-12-22 14:47:03,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20871 to 19332. [2021-12-22 14:47:03,048 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) [2021-12-22 14:47:03,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19332 states to 19332 states and 27371 transitions. [2021-12-22 14:47:03,112 INFO L78 Accepts]: Start accepts. Automaton has 19332 states and 27371 transitions. Word has length 227 [2021-12-22 14:47:03,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:47:03,113 INFO L470 AbstractCegarLoop]: Abstraction has 19332 states and 27371 transitions. [2021-12-22 14:47:03,113 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) [2021-12-22 14:47:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 19332 states and 27371 transitions. [2021-12-22 14:47:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-22 14:47:03,141 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:47:03,141 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] [2021-12-22 14:47:03,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 14:47:03,141 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:47:03,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:47:03,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1041847159, now seen corresponding path program 1 times [2021-12-22 14:47:03,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:47:03,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8006868] [2021-12-22 14:47:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:47:03,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:47:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:47:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:47:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:47:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:47:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:47:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:47:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-22 14:47:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:47:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:47:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 14:47:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 14:47:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 14:47:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 14:47:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-22 14:47:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 14:47:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 14:47:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 14:47:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:47:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 14:47:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 14:47:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 14:47:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-22 14:47:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-22 14:47:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 14:47:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 14:47:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:47:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-22 14:47:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 14:47:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:47:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-22 14:47:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 14:47:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:47:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 14:47:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-22 14:47:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-22 14:47:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-22 14:47:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:47:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2021-12-22 14:47:03,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:47:03,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8006868] [2021-12-22 14:47:03,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8006868] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:47:03,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:47:03,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 14:47:03,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310743989] [2021-12-22 14:47:03,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:47:03,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 14:47:03,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:47:03,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 14:47:03,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:47:03,866 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)