./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.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 1f258bb699a014f11eb0babe874a45670072f33ce1154e31a2f0110b34e4ef74 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:06:46,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:06:46,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:06:46,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:06:46,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:06:46,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:06:46,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:06:46,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:06:46,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:06:46,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:06:46,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:06:46,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:06:46,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:06:46,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:06:46,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:06:46,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:06:46,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:06:46,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:06:46,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:06:46,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:06:46,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:06:46,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:06:46,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:06:46,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:06:46,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:06:46,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:06:46,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:06:46,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:06:46,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:06:46,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:06:46,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:06:46,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:06:46,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:06:46,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:06:46,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:06:46,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:06:46,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:06:46,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:06:46,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:06:46,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:06:46,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:06:46,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:06:46,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:06:46,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:06:46,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:06:46,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:06:46,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:06:46,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:06:46,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:06:46,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:06:46,570 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:06:46,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:06:46,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:06:46,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:06:46,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:06:46,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:06:46,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:06:46,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:06:46,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:06:46,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:06:46,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:06:46,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:06:46,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:06:46,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:06:46,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:06:46,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:06:46,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:06:46,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:06:46,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:06:46,581 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:06:46,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:06:46,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:06:46,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f258bb699a014f11eb0babe874a45670072f33ce1154e31a2f0110b34e4ef74 [2021-12-28 04:06:46,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:06:46,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:06:46,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:06:46,904 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:06:46,905 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:06:46,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2021-12-28 04:06:46,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f3099f5/02f956c0ee994f0393e86990b2ca4327/FLAG39914b49e [2021-12-28 04:06:47,707 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:06:47,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2021-12-28 04:06:47,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f3099f5/02f956c0ee994f0393e86990b2ca4327/FLAG39914b49e [2021-12-28 04:06:48,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f3099f5/02f956c0ee994f0393e86990b2ca4327 [2021-12-28 04:06:48,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:06:48,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:06:48,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:06:48,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:06:48,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:06:48,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:06:48" (1/1) ... [2021-12-28 04:06:48,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a1b310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:48, skipping insertion in model container [2021-12-28 04:06:48,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:06:48" (1/1) ... [2021-12-28 04:06:48,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:06:48,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:06:49,729 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-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[239447,239460] [2021-12-28 04:06:49,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:06:49,789 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:06:50,115 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-validator-v0.8/linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[239447,239460] [2021-12-28 04:06:50,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:06:50,215 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:06:50,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50 WrapperNode [2021-12-28 04:06:50,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:06:50,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:06:50,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:06:50,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:06:50,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50" (1/1) ... [2021-12-28 04:06:50,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50" (1/1) ... [2021-12-28 04:06:50,537 INFO L137 Inliner]: procedures = 261, calls = 1811, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 4510 [2021-12-28 04:06:50,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:06:50,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:06:50,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:06:50,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:06:50,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50" (1/1) ... [2021-12-28 04:06:50,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50" (1/1) ... [2021-12-28 04:06:50,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50" (1/1) ... [2021-12-28 04:06:50,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50" (1/1) ... [2021-12-28 04:06:50,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50" (1/1) ... [2021-12-28 04:06:50,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50" (1/1) ... [2021-12-28 04:06:50,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50" (1/1) ... [2021-12-28 04:06:50,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:06:50,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:06:50,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:06:50,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:06:50,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50" (1/1) ... [2021-12-28 04:06:50,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:06:50,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:06:50,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:06:50,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:06:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:06:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:06:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2021-12-28 04:06:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2021-12-28 04:06:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:06:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:06:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:06:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:06:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:06:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:06:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2021-12-28 04:06:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2021-12-28 04:06:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2021-12-28 04:06:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2021-12-28 04:06:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2021-12-28 04:06:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2021-12-28 04:06:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-28 04:06:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-28 04:06:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-28 04:06:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-28 04:06:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:06:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:06:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-28 04:06:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-28 04:06:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-28 04:06:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-28 04:06:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2021-12-28 04:06:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2021-12-28 04:06:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_50 [2021-12-28 04:06:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_50 [2021-12-28 04:06:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:06:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:06:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:06:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:06:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:06:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:06:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:06:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:06:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2021-12-28 04:06:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2021-12-28 04:06:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-28 04:06:50,937 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-28 04:06:50,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2021-12-28 04:06:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2021-12-28 04:06:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-28 04:06:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-28 04:06:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2021-12-28 04:06:50,938 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2021-12-28 04:06:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2021-12-28 04:06:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2021-12-28 04:06:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2021-12-28 04:06:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2021-12-28 04:06:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:06:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2021-12-28 04:06:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2021-12-28 04:06:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:06:50,940 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:06:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-28 04:06:50,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-28 04:06:50,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:06:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2021-12-28 04:06:50,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2021-12-28 04:06:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 04:06:50,942 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 04:06:50,942 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2021-12-28 04:06:50,942 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2021-12-28 04:06:50,943 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2021-12-28 04:06:50,943 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2021-12-28 04:06:50,943 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-28 04:06:50,943 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-28 04:06:50,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2021-12-28 04:06:50,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2021-12-28 04:06:50,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:06:50,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:06:50,944 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:06:50,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:06:50,944 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:06:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:06:50,945 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2021-12-28 04:06:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2021-12-28 04:06:50,945 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:06:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:06:50,945 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:06:50,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:06:50,946 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2021-12-28 04:06:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2021-12-28 04:06:50,946 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-28 04:06:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-28 04:06:50,946 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2021-12-28 04:06:50,946 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2021-12-28 04:06:50,947 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2021-12-28 04:06:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2021-12-28 04:06:50,947 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-28 04:06:50,947 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-28 04:06:50,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-28 04:06:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-28 04:06:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:06:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2021-12-28 04:06:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2021-12-28 04:06:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:06:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-12-28 04:06:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-12-28 04:06:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2021-12-28 04:06:50,950 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2021-12-28 04:06:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-28 04:06:50,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-28 04:06:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:06:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-28 04:06:50,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-28 04:06:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:06:50,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:06:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 04:06:50,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 04:06:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2021-12-28 04:06:50,952 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2021-12-28 04:06:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-28 04:06:50,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-28 04:06:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:06:50,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:06:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-28 04:06:50,955 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-28 04:06:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:06:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2021-12-28 04:06:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2021-12-28 04:06:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2021-12-28 04:06:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2021-12-28 04:06:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2021-12-28 04:06:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2021-12-28 04:06:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:06:50,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:06:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2021-12-28 04:06:50,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2021-12-28 04:06:50,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:06:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:06:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:06:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2021-12-28 04:06:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2021-12-28 04:06:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-12-28 04:06:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-12-28 04:06:50,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:06:50,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:06:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-28 04:06:50,965 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-28 04:06:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2021-12-28 04:06:50,965 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2021-12-28 04:06:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:06:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2021-12-28 04:06:50,965 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2021-12-28 04:06:50,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_9 [2021-12-28 04:06:50,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_9 [2021-12-28 04:06:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:06:50,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:06:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:06:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2021-12-28 04:06:50,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2021-12-28 04:06:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:06:50,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:06:50,966 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-12-28 04:06:50,967 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-12-28 04:06:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2021-12-28 04:06:50,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2021-12-28 04:06:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2021-12-28 04:06:50,967 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2021-12-28 04:06:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-28 04:06:50,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-28 04:06:50,967 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:06:50,968 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:06:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-28 04:06:50,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-28 04:06:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2021-12-28 04:06:50,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2021-12-28 04:06:50,968 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-28 04:06:50,968 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-28 04:06:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2021-12-28 04:06:50,969 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2021-12-28 04:06:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2021-12-28 04:06:50,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2021-12-28 04:06:50,969 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:06:50,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:06:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:06:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:06:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2021-12-28 04:06:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2021-12-28 04:06:50,970 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-28 04:06:50,970 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-28 04:06:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-28 04:06:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-28 04:06:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-28 04:06:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_47 [2021-12-28 04:06:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_47 [2021-12-28 04:06:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-28 04:06:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-28 04:06:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:06:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-28 04:06:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-28 04:06:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2021-12-28 04:06:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2021-12-28 04:06:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-28 04:06:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-28 04:06:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2021-12-28 04:06:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2021-12-28 04:06:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2021-12-28 04:06:50,973 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2021-12-28 04:06:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-28 04:06:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:06:50,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:06:51,620 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:06:51,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:06:52,587 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:06:55,624 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:06:55,642 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:06:55,642 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:06:55,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:06:55 BoogieIcfgContainer [2021-12-28 04:06:55,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:06:55,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:06:55,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:06:55,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:06:55,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:06:48" (1/3) ... [2021-12-28 04:06:55,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b03b1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:06:55, skipping insertion in model container [2021-12-28 04:06:55,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:06:50" (2/3) ... [2021-12-28 04:06:55,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b03b1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:06:55, skipping insertion in model container [2021-12-28 04:06:55,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:06:55" (3/3) ... [2021-12-28 04:06:55,653 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-063f96c-1-144_1a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2021-12-28 04:06:55,658 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:06:55,659 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:06:55,713 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:06:55,721 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:06:55,721 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:06:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 1581 states, 1104 states have (on average 1.3967391304347827) internal successors, (1542), 1170 states have internal predecessors, (1542), 382 states have call successors, (382), 94 states have call predecessors, (382), 93 states have return successors, (373), 347 states have call predecessors, (373), 373 states have call successors, (373) [2021-12-28 04:06:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-28 04:06:55,799 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:06:55,800 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2021-12-28 04:06:55,800 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:06:55,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:06:55,804 INFO L85 PathProgramCache]: Analyzing trace with hash -838760980, now seen corresponding path program 1 times [2021-12-28 04:06:55,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:06:55,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171591412] [2021-12-28 04:06:55,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:06:55,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:06:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:06:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:06:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:06:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:06:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:06:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:06:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:06:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:06:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:06:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:06:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:06:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:06:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:06:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:06:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:06:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:06:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:06:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-28 04:06:56,564 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:06:56,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171591412] [2021-12-28 04:06:56,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171591412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:06:56,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:06:56,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:06:56,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938611804] [2021-12-28 04:06:56,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:06:56,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:06:56,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:06:56,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:06:56,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:06:56,596 INFO L87 Difference]: Start difference. First operand has 1581 states, 1104 states have (on average 1.3967391304347827) internal successors, (1542), 1170 states have internal predecessors, (1542), 382 states have call successors, (382), 94 states have call predecessors, (382), 93 states have return successors, (373), 347 states have call predecessors, (373), 373 states have call successors, (373) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:07:00,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:07:00,667 INFO L93 Difference]: Finished difference Result 3320 states and 4941 transitions. [2021-12-28 04:07:00,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:07:00,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2021-12-28 04:07:00,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:07:00,699 INFO L225 Difference]: With dead ends: 3320 [2021-12-28 04:07:00,699 INFO L226 Difference]: Without dead ends: 1727 [2021-12-28 04:07:00,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:07:00,714 INFO L933 BasicCegarLoop]: 2119 mSDtfsCounter, 1695 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 965 mSolverCounterSat, 1505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 2470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1505 IncrementalHoareTripleChecker+Valid, 965 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:07:00,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1726 Valid, 2943 Invalid, 2470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1505 Valid, 965 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-28 04:07:00,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2021-12-28 04:07:00,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1565. [2021-12-28 04:07:00,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1099 states have (on average 1.3876251137397635) internal successors, (1525), 1154 states have internal predecessors, (1525), 373 states have call successors, (373), 93 states have call predecessors, (373), 92 states have return successors, (369), 343 states have call predecessors, (369), 369 states have call successors, (369) [2021-12-28 04:07:00,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 2267 transitions. [2021-12-28 04:07:00,861 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 2267 transitions. Word has length 113 [2021-12-28 04:07:00,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:07:00,862 INFO L470 AbstractCegarLoop]: Abstraction has 1565 states and 2267 transitions. [2021-12-28 04:07:00,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:07:00,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2267 transitions. [2021-12-28 04:07:00,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-28 04:07:00,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:07:00,868 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2021-12-28 04:07:00,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:07:00,871 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:07:00,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:07:00,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1879567644, now seen corresponding path program 1 times [2021-12-28 04:07:00,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:07:00,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879203779] [2021-12-28 04:07:00,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:07:00,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:07:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:07:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:07:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:07:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:07:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:07:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:07:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:01,251 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-28 04:07:01,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:07:01,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879203779] [2021-12-28 04:07:01,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879203779] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:07:01,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:07:01,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:07:01,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381639067] [2021-12-28 04:07:01,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:07:01,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:07:01,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:07:01,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:07:01,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:07:01,259 INFO L87 Difference]: Start difference. First operand 1565 states and 2267 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:07:13,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:07:13,938 INFO L93 Difference]: Finished difference Result 4963 states and 7452 transitions. [2021-12-28 04:07:13,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:07:13,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 113 [2021-12-28 04:07:13,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:07:13,961 INFO L225 Difference]: With dead ends: 4963 [2021-12-28 04:07:13,961 INFO L226 Difference]: Without dead ends: 3421 [2021-12-28 04:07:13,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:07:13,971 INFO L933 BasicCegarLoop]: 2626 mSDtfsCounter, 4037 mSDsluCounter, 4160 mSDsCounter, 0 mSdLazyCounter, 4404 mSolverCounterSat, 2176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4249 SdHoareTripleChecker+Valid, 6786 SdHoareTripleChecker+Invalid, 6580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2176 IncrementalHoareTripleChecker+Valid, 4404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:07:13,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4249 Valid, 6786 Invalid, 6580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2176 Valid, 4404 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2021-12-28 04:07:13,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3421 states. [2021-12-28 04:07:14,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3421 to 3128. [2021-12-28 04:07:14,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3128 states, 2197 states have (on average 1.385980883022303) internal successors, (3045), 2307 states have internal predecessors, (3045), 738 states have call successors, (738), 184 states have call predecessors, (738), 192 states have return successors, (786), 690 states have call predecessors, (786), 734 states have call successors, (786) [2021-12-28 04:07:14,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 4569 transitions. [2021-12-28 04:07:14,113 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 4569 transitions. Word has length 113 [2021-12-28 04:07:14,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:07:14,116 INFO L470 AbstractCegarLoop]: Abstraction has 3128 states and 4569 transitions. [2021-12-28 04:07:14,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:07:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 4569 transitions. [2021-12-28 04:07:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-28 04:07:14,124 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:07:14,124 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2021-12-28 04:07:14,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:07:14,125 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:07:14,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:07:14,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1862399358, now seen corresponding path program 1 times [2021-12-28 04:07:14,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:07:14,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798167744] [2021-12-28 04:07:14,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:07:14,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:07:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:07:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:07:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:07:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:07:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:07:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:07:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:14,446 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-28 04:07:14,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:07:14,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798167744] [2021-12-28 04:07:14,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798167744] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:07:14,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:07:14,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:07:14,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129744249] [2021-12-28 04:07:14,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:07:14,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:07:14,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:07:14,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:07:14,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:07:14,451 INFO L87 Difference]: Start difference. First operand 3128 states and 4569 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:07:24,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:07:24,434 INFO L93 Difference]: Finished difference Result 9554 states and 14417 transitions. [2021-12-28 04:07:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:07:24,435 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2021-12-28 04:07:24,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:07:24,469 INFO L225 Difference]: With dead ends: 9554 [2021-12-28 04:07:24,469 INFO L226 Difference]: Without dead ends: 6449 [2021-12-28 04:07:24,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:07:24,486 INFO L933 BasicCegarLoop]: 2343 mSDtfsCounter, 3826 mSDsluCounter, 3804 mSDsCounter, 0 mSdLazyCounter, 4051 mSolverCounterSat, 2175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4004 SdHoareTripleChecker+Valid, 6147 SdHoareTripleChecker+Invalid, 6226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2175 IncrementalHoareTripleChecker+Valid, 4051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:07:24,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4004 Valid, 6147 Invalid, 6226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2175 Valid, 4051 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2021-12-28 04:07:24,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6449 states. [2021-12-28 04:07:24,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6449 to 5863. [2021-12-28 04:07:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5863 states, 4118 states have (on average 1.3919378338999515) internal successors, (5732), 4333 states have internal predecessors, (5732), 1377 states have call successors, (1377), 350 states have call predecessors, (1377), 367 states have return successors, (1475), 1285 states have call predecessors, (1475), 1373 states have call successors, (1475) [2021-12-28 04:07:24,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5863 states to 5863 states and 8584 transitions. [2021-12-28 04:07:24,741 INFO L78 Accepts]: Start accepts. Automaton has 5863 states and 8584 transitions. Word has length 114 [2021-12-28 04:07:24,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:07:24,742 INFO L470 AbstractCegarLoop]: Abstraction has 5863 states and 8584 transitions. [2021-12-28 04:07:24,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:07:24,743 INFO L276 IsEmpty]: Start isEmpty. Operand 5863 states and 8584 transitions. [2021-12-28 04:07:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-28 04:07:24,746 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:07:24,746 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2021-12-28 04:07:24,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:07:24,746 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:07:24,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:07:24,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1899264295, now seen corresponding path program 1 times [2021-12-28 04:07:24,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:07:24,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175677969] [2021-12-28 04:07:24,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:07:24,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:07:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:07:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:07:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:07:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:07:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:07:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:07:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-28 04:07:24,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:07:24,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175677969] [2021-12-28 04:07:24,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175677969] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:07:24,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:07:24,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:07:24,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273177576] [2021-12-28 04:07:24,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:07:24,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:07:24,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:07:24,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:07:24,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:07:24,989 INFO L87 Difference]: Start difference. First operand 5863 states and 8584 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:07:29,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:07:29,183 INFO L93 Difference]: Finished difference Result 6444 states and 9628 transitions. [2021-12-28 04:07:29,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:07:29,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 115 [2021-12-28 04:07:29,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:07:29,252 INFO L225 Difference]: With dead ends: 6444 [2021-12-28 04:07:29,252 INFO L226 Difference]: Without dead ends: 6441 [2021-12-28 04:07:29,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:07:29,258 INFO L933 BasicCegarLoop]: 2042 mSDtfsCounter, 3609 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 1835 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3822 SdHoareTripleChecker+Valid, 2853 SdHoareTripleChecker+Invalid, 2825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1835 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:07:29,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3822 Valid, 2853 Invalid, 2825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1835 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-28 04:07:29,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6441 states. [2021-12-28 04:07:29,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6441 to 5862. [2021-12-28 04:07:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5862 states, 4118 states have (on average 1.3916949975716366) internal successors, (5731), 4332 states have internal predecessors, (5731), 1376 states have call successors, (1376), 350 states have call predecessors, (1376), 367 states have return successors, (1475), 1285 states have call predecessors, (1475), 1373 states have call successors, (1475) [2021-12-28 04:07:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5862 states to 5862 states and 8582 transitions. [2021-12-28 04:07:29,508 INFO L78 Accepts]: Start accepts. Automaton has 5862 states and 8582 transitions. Word has length 115 [2021-12-28 04:07:29,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:07:29,509 INFO L470 AbstractCegarLoop]: Abstraction has 5862 states and 8582 transitions. [2021-12-28 04:07:29,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:07:29,510 INFO L276 IsEmpty]: Start isEmpty. Operand 5862 states and 8582 transitions. [2021-12-28 04:07:29,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-28 04:07:29,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:07:29,512 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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] [2021-12-28 04:07:29,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:07:29,513 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:07:29,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:07:29,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1252885087, now seen corresponding path program 1 times [2021-12-28 04:07:29,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:07:29,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472147154] [2021-12-28 04:07:29,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:07:29,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:07:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:07:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:07:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:07:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:07:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:07:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:07:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-28 04:07:29,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:07:29,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472147154] [2021-12-28 04:07:29,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472147154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:07:29,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:07:29,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:07:29,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859494889] [2021-12-28 04:07:29,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:07:29,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:07:29,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:07:29,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:07:29,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:07:29,767 INFO L87 Difference]: Start difference. First operand 5862 states and 8582 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:07:34,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:07:34,850 INFO L93 Difference]: Finished difference Result 6443 states and 9626 transitions. [2021-12-28 04:07:34,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:07:34,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 116 [2021-12-28 04:07:34,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:07:34,891 INFO L225 Difference]: With dead ends: 6443 [2021-12-28 04:07:34,892 INFO L226 Difference]: Without dead ends: 6411 [2021-12-28 04:07:34,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:07:34,899 INFO L933 BasicCegarLoop]: 2045 mSDtfsCounter, 3089 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 1684 mSolverCounterSat, 1359 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3304 SdHoareTripleChecker+Valid, 3522 SdHoareTripleChecker+Invalid, 3043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1359 IncrementalHoareTripleChecker+Valid, 1684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:07:34,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3304 Valid, 3522 Invalid, 3043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1359 Valid, 1684 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-28 04:07:34,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6411 states. [2021-12-28 04:07:35,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6411 to 5832. [2021-12-28 04:07:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5832 states, 4102 states have (on average 1.3922476840565579) internal successors, (5711), 4315 states have internal predecessors, (5711), 1363 states have call successors, (1363), 349 states have call predecessors, (1363), 366 states have return successors, (1463), 1273 states have call predecessors, (1463), 1361 states have call successors, (1463) [2021-12-28 04:07:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5832 states to 5832 states and 8537 transitions. [2021-12-28 04:07:35,129 INFO L78 Accepts]: Start accepts. Automaton has 5832 states and 8537 transitions. Word has length 116 [2021-12-28 04:07:35,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:07:35,130 INFO L470 AbstractCegarLoop]: Abstraction has 5832 states and 8537 transitions. [2021-12-28 04:07:35,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-28 04:07:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 5832 states and 8537 transitions. [2021-12-28 04:07:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-28 04:07:35,138 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:07:35,138 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-28 04:07:35,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:07:35,139 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:07:35,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:07:35,139 INFO L85 PathProgramCache]: Analyzing trace with hash -779411748, now seen corresponding path program 1 times [2021-12-28 04:07:35,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:07:35,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319426971] [2021-12-28 04:07:35,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:07:35,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:07:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:07:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:07:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:07:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:07:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:07:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:07:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 04:07:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:07:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:07:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-28 04:07:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-28 04:07:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:07:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-12-28 04:07:35,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:07:35,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319426971] [2021-12-28 04:07:35,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319426971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:07:35,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:07:35,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 04:07:35,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754192619] [2021-12-28 04:07:35,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:07:35,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 04:07:35,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:07:35,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 04:07:35,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:07:35,463 INFO L87 Difference]: Start difference. First operand 5832 states and 8537 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:07:47,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:07:47,012 INFO L93 Difference]: Finished difference Result 20022 states and 30342 transitions. [2021-12-28 04:07:47,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-28 04:07:47,013 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 166 [2021-12-28 04:07:47,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:07:47,089 INFO L225 Difference]: With dead ends: 20022 [2021-12-28 04:07:47,089 INFO L226 Difference]: Without dead ends: 14213 [2021-12-28 04:07:47,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-12-28 04:07:47,117 INFO L933 BasicCegarLoop]: 2276 mSDtfsCounter, 7204 mSDsluCounter, 4431 mSDsCounter, 0 mSdLazyCounter, 6183 mSolverCounterSat, 5863 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7526 SdHoareTripleChecker+Valid, 6707 SdHoareTripleChecker+Invalid, 12046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5863 IncrementalHoareTripleChecker+Valid, 6183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:07:47,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7526 Valid, 6707 Invalid, 12046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5863 Valid, 6183 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2021-12-28 04:07:47,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14213 states. [2021-12-28 04:07:47,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14213 to 12528. [2021-12-28 04:07:47,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12528 states, 8714 states have (on average 1.3847831076428736) internal successors, (12067), 9225 states have internal predecessors, (12067), 2933 states have call successors, (2933), 677 states have call predecessors, (2933), 880 states have return successors, (3800), 2907 states have call predecessors, (3800), 2931 states have call successors, (3800) [2021-12-28 04:07:47,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12528 states to 12528 states and 18800 transitions. [2021-12-28 04:07:47,706 INFO L78 Accepts]: Start accepts. Automaton has 12528 states and 18800 transitions. Word has length 166 [2021-12-28 04:07:47,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:07:47,706 INFO L470 AbstractCegarLoop]: Abstraction has 12528 states and 18800 transitions. [2021-12-28 04:07:47,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (17), 7 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:07:47,707 INFO L276 IsEmpty]: Start isEmpty. Operand 12528 states and 18800 transitions. [2021-12-28 04:07:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-28 04:07:47,728 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:07:47,728 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-28 04:07:47,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:07:47,729 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:07:47,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:07:47,729 INFO L85 PathProgramCache]: Analyzing trace with hash 2017075681, now seen corresponding path program 1 times [2021-12-28 04:07:47,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:07:47,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437791555] [2021-12-28 04:07:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:07:47,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:07:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:07:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:47,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:47,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:07:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:47,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:07:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:07:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:07:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:07:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:07:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:07:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:07:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:07:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-28 04:07:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:07:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-12-28 04:07:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:07:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-28 04:07:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:07:48,349 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-12-28 04:07:48,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:07:48,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437791555] [2021-12-28 04:07:48,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437791555] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:07:48,350 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:07:48,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-28 04:07:48,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050019296] [2021-12-28 04:07:48,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:07:48,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-28 04:07:48,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:07:48,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-28 04:07:48,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:07:48,352 INFO L87 Difference]: Start difference. First operand 12528 states and 18800 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (18), 7 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)