./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 791161d1 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-?-791161d [2022-07-23 00:20:13,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:20:13,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:20:13,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:20:13,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:20:13,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:20:13,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:20:13,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:20:13,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:20:13,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:20:13,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:20:13,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:20:13,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:20:13,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:20:13,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:20:13,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:20:13,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:20:13,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:20:13,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:20:13,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:20:13,452 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:20:13,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:20:13,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:20:13,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:20:13,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:20:13,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:20:13,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:20:13,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:20:13,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:20:13,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:20:13,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:20:13,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:20:13,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:20:13,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:20:13,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:20:13,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:20:13,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:20:13,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:20:13,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:20:13,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:20:13,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:20:13,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:20:13,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:20:13,507 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:20:13,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:20:13,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:20:13,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:20:13,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:20:13,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:20:13,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:20:13,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:20:13,510 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:20:13,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:20:13,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:20:13,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:20:13,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:20:13,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:20:13,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:20:13,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:20:13,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:20:13,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:20:13,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:20:13,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:20:13,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:20:13,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:20:13,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:20:13,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:20:13,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:20:13,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:20:13,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:20:13,516 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:20:13,516 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:20:13,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:20:13,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f258bb699a014f11eb0babe874a45670072f33ce1154e31a2f0110b34e4ef74 [2022-07-23 00:20:13,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:20:13,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:20:13,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:20:13,753 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:20:13,754 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:20:13,755 INFO L432 ainManager$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 [2022-07-23 00:20:13,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e35b3ef4/fdd54e4feefa45b1bb21dcee146d9d3e/FLAGbd50c49be [2022-07-23 00:20:14,504 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:20:14,505 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 [2022-07-23 00:20:14,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e35b3ef4/fdd54e4feefa45b1bb21dcee146d9d3e/FLAGbd50c49be [2022-07-23 00:20:14,831 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e35b3ef4/fdd54e4feefa45b1bb21dcee146d9d3e [2022-07-23 00:20:14,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:20:14,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:20:14,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:20:14,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:20:14,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:20:14,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:20:14" (1/1) ... [2022-07-23 00:20:14,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a2a1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:14, skipping insertion in model container [2022-07-23 00:20:14,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:20:14" (1/1) ... [2022-07-23 00:20:14,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:20:14,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:20:16,487 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] [2022-07-23 00:20:16,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:20:16,546 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:20:16,852 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] [2022-07-23 00:20:16,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:20:16,934 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:20:16,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16 WrapperNode [2022-07-23 00:20:16,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:20:16,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:20:16,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:20:16,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:20:16,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16" (1/1) ... [2022-07-23 00:20:17,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16" (1/1) ... [2022-07-23 00:20:17,270 INFO L137 Inliner]: procedures = 261, calls = 1811, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 4661 [2022-07-23 00:20:17,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:20:17,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:20:17,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:20:17,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:20:17,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16" (1/1) ... [2022-07-23 00:20:17,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16" (1/1) ... [2022-07-23 00:20:17,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16" (1/1) ... [2022-07-23 00:20:17,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16" (1/1) ... [2022-07-23 00:20:17,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16" (1/1) ... [2022-07-23 00:20:17,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16" (1/1) ... [2022-07-23 00:20:17,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16" (1/1) ... [2022-07-23 00:20:17,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:20:17,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:20:17,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:20:17,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:20:17,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16" (1/1) ... [2022-07-23 00:20:17,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:20:17,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:20:17,740 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) [2022-07-23 00:20:17,767 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 [2022-07-23 00:20:17,781 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 00:20:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 00:20:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2022-07-23 00:20:17,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2022-07-23 00:20:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:20:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:20:17,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:20:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:20:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:20:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:20:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2022-07-23 00:20:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2022-07-23 00:20:17,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2022-07-23 00:20:17,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2022-07-23 00:20:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2022-07-23 00:20:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2022-07-23 00:20:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-07-23 00:20:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-07-23 00:20:17,784 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-23 00:20:17,784 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-23 00:20:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:20:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:20:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-07-23 00:20:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-07-23 00:20:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 00:20:17,785 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 00:20:17,785 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2022-07-23 00:20:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2022-07-23 00:20:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_50 [2022-07-23 00:20:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_50 [2022-07-23 00:20:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:20:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:20:17,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:20:17,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:20:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:20:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:20:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:20:17,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:20:17,787 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2022-07-23 00:20:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2022-07-23 00:20:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-23 00:20:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-23 00:20:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2022-07-23 00:20:17,788 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2022-07-23 00:20:17,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-23 00:20:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-23 00:20:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2022-07-23 00:20:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2022-07-23 00:20:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2022-07-23 00:20:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2022-07-23 00:20:17,789 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2022-07-23 00:20:17,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2022-07-23 00:20:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:20:17,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2022-07-23 00:20:17,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2022-07-23 00:20:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 00:20:17,791 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 00:20:17,791 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-23 00:20:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-23 00:20:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:20:17,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2022-07-23 00:20:17,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2022-07-23 00:20:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 00:20:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 00:20:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2022-07-23 00:20:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2022-07-23 00:20:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2022-07-23 00:20:17,793 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2022-07-23 00:20:17,793 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-07-23 00:20:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-07-23 00:20:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2022-07-23 00:20:17,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2022-07-23 00:20:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:20:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:20:17,794 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 00:20:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 00:20:17,795 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 00:20:17,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 00:20:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2022-07-23 00:20:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2022-07-23 00:20:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 00:20:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 00:20:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 00:20:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 00:20:17,796 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2022-07-23 00:20:17,796 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2022-07-23 00:20:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-23 00:20:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-23 00:20:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2022-07-23 00:20:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2022-07-23 00:20:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2022-07-23 00:20:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2022-07-23 00:20:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-23 00:20:17,798 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-23 00:20:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-23 00:20:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-23 00:20:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 00:20:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2022-07-23 00:20:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2022-07-23 00:20:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 00:20:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-07-23 00:20:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-07-23 00:20:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2022-07-23 00:20:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2022-07-23 00:20:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-23 00:20:17,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-23 00:20:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:20:17,801 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-23 00:20:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-23 00:20:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:20:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:20:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 00:20:17,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 00:20:17,802 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2022-07-23 00:20:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2022-07-23 00:20:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-23 00:20:17,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-23 00:20:17,803 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:20:17,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:20:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-23 00:20:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-23 00:20:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:20:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2022-07-23 00:20:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2022-07-23 00:20:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2022-07-23 00:20:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2022-07-23 00:20:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2022-07-23 00:20:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2022-07-23 00:20:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:20:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:20:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2022-07-23 00:20:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2022-07-23 00:20:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:20:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:20:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:20:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2022-07-23 00:20:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2022-07-23 00:20:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-07-23 00:20:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-07-23 00:20:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:20:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:20:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-23 00:20:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-23 00:20:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2022-07-23 00:20:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2022-07-23 00:20:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:20:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2022-07-23 00:20:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2022-07-23 00:20:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_9 [2022-07-23 00:20:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_9 [2022-07-23 00:20:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 00:20:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 00:20:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:20:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2022-07-23 00:20:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2022-07-23 00:20:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:20:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:20:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-07-23 00:20:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-07-23 00:20:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2022-07-23 00:20:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2022-07-23 00:20:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2022-07-23 00:20:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2022-07-23 00:20:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-23 00:20:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-23 00:20:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 00:20:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 00:20:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-23 00:20:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-23 00:20:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2022-07-23 00:20:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2022-07-23 00:20:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-07-23 00:20:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-07-23 00:20:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2022-07-23 00:20:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2022-07-23 00:20:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2022-07-23 00:20:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2022-07-23 00:20:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 00:20:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 00:20:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-23 00:20:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-23 00:20:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2022-07-23 00:20:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2022-07-23 00:20:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-23 00:20:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-23 00:20:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-23 00:20:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-23 00:20:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-23 00:20:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_47 [2022-07-23 00:20:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_47 [2022-07-23 00:20:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-07-23 00:20:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-07-23 00:20:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:20:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-23 00:20:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-23 00:20:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2022-07-23 00:20:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2022-07-23 00:20:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 00:20:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 00:20:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2022-07-23 00:20:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2022-07-23 00:20:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2022-07-23 00:20:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2022-07-23 00:20:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 00:20:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:20:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:20:18,475 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:20:18,478 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:20:19,710 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:20:22,805 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:20:22,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:20:22,822 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:20:22,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:20:22 BoogieIcfgContainer [2022-07-23 00:20:22,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:20:22,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:20:22,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:20:22,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:20:22,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:20:14" (1/3) ... [2022-07-23 00:20:22,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22411561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:20:22, skipping insertion in model container [2022-07-23 00:20:22,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:20:16" (2/3) ... [2022-07-23 00:20:22,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22411561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:20:22, skipping insertion in model container [2022-07-23 00:20:22,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:20:22" (3/3) ... [2022-07-23 00:20:22,847 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 [2022-07-23 00:20:22,860 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:20:22,861 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:20:22,954 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:20:22,962 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6c02d668, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5b4559f [2022-07-23 00:20:22,963 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:20:22,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 1662 states, 1185 states have (on average 1.4270042194092827) internal successors, (1691), 1251 states have internal predecessors, (1691), 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) [2022-07-23 00:20:23,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-23 00:20:23,002 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:20:23,003 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:20:23,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:20:23,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:20:23,010 INFO L85 PathProgramCache]: Analyzing trace with hash -744390701, now seen corresponding path program 1 times [2022-07-23 00:20:23,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:20:23,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604403167] [2022-07-23 00:20:23,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:20:23,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:20:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:20:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:20:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:20:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:20:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:20:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:20:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:23,723 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-23 00:20:23,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:20:23,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604403167] [2022-07-23 00:20:23,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604403167] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:20:23,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:20:23,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:20:23,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188736142] [2022-07-23 00:20:23,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:20:23,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:20:23,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:20:23,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:20:23,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:20:23,758 INFO L87 Difference]: Start difference. First operand has 1662 states, 1185 states have (on average 1.4270042194092827) internal successors, (1691), 1251 states have internal predecessors, (1691), 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) [2022-07-23 00:20:32,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:20:32,120 INFO L93 Difference]: Finished difference Result 3482 states and 5270 transitions. [2022-07-23 00:20:32,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 00:20:32,123 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 [2022-07-23 00:20:32,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:20:32,158 INFO L225 Difference]: With dead ends: 3482 [2022-07-23 00:20:32,159 INFO L226 Difference]: Without dead ends: 1808 [2022-07-23 00:20:32,181 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:20:32,188 INFO L413 NwaCegarLoop]: 2216 mSDtfsCounter, 1194 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 984 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1226 SdHoareTripleChecker+Valid, 3892 SdHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 984 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:20:32,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1226 Valid, 3892 Invalid, 2615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [984 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-07-23 00:20:32,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2022-07-23 00:20:32,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1646. [2022-07-23 00:20:32,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 1180 states have (on average 1.3847457627118644) internal successors, (1634), 1235 states have internal predecessors, (1634), 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) [2022-07-23 00:20:32,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2376 transitions. [2022-07-23 00:20:32,400 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2376 transitions. Word has length 113 [2022-07-23 00:20:32,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:20:32,402 INFO L495 AbstractCegarLoop]: Abstraction has 1646 states and 2376 transitions. [2022-07-23 00:20:32,402 INFO L496 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) [2022-07-23 00:20:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2376 transitions. [2022-07-23 00:20:32,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-23 00:20:32,412 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:20:32,412 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:20:32,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:20:32,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:20:32,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:20:32,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1785197365, now seen corresponding path program 1 times [2022-07-23 00:20:32,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:20:32,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643167611] [2022-07-23 00:20:32,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:20:32,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:20:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:20:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:20:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:20:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:20:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:20:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:20:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:32,848 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-23 00:20:32,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:20:32,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643167611] [2022-07-23 00:20:32,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643167611] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:20:32,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:20:32,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:20:32,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792115081] [2022-07-23 00:20:32,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:20:32,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:20:32,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:20:32,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:20:32,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:20:32,852 INFO L87 Difference]: Start difference. First operand 1646 states and 2376 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) [2022-07-23 00:20:47,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:20:47,831 INFO L93 Difference]: Finished difference Result 5206 states and 7779 transitions. [2022-07-23 00:20:47,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:20:47,832 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 [2022-07-23 00:20:47,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:20:47,862 INFO L225 Difference]: With dead ends: 5206 [2022-07-23 00:20:47,862 INFO L226 Difference]: Without dead ends: 3583 [2022-07-23 00:20:47,881 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:20:47,884 INFO L413 NwaCegarLoop]: 2721 mSDtfsCounter, 4330 mSDsluCounter, 4409 mSDsCounter, 0 mSdLazyCounter, 4422 mSolverCounterSat, 2182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4542 SdHoareTripleChecker+Valid, 7130 SdHoareTripleChecker+Invalid, 6604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2182 IncrementalHoareTripleChecker+Valid, 4422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:20:47,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4542 Valid, 7130 Invalid, 6604 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2182 Valid, 4422 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2022-07-23 00:20:47,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3583 states. [2022-07-23 00:20:48,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3583 to 3290. [2022-07-23 00:20:48,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3290 states, 2359 states have (on average 1.3832132259431962) internal successors, (3263), 2469 states have internal predecessors, (3263), 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) [2022-07-23 00:20:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3290 states to 3290 states and 4787 transitions. [2022-07-23 00:20:48,133 INFO L78 Accepts]: Start accepts. Automaton has 3290 states and 4787 transitions. Word has length 113 [2022-07-23 00:20:48,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:20:48,136 INFO L495 AbstractCegarLoop]: Abstraction has 3290 states and 4787 transitions. [2022-07-23 00:20:48,136 INFO L496 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) [2022-07-23 00:20:48,136 INFO L276 IsEmpty]: Start isEmpty. Operand 3290 states and 4787 transitions. [2022-07-23 00:20:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-23 00:20:48,144 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:20:48,144 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:20:48,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:20:48,150 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:20:48,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:20:48,152 INFO L85 PathProgramCache]: Analyzing trace with hash 492920201, now seen corresponding path program 1 times [2022-07-23 00:20:48,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:20:48,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910878313] [2022-07-23 00:20:48,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:20:48,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:20:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:20:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:20:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:20:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:20:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:20:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:20:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:20:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:20:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:20:48,494 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-23 00:20:48,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:20:48,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910878313] [2022-07-23 00:20:48,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910878313] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:20:48,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:20:48,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:20:48,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155496624] [2022-07-23 00:20:48,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:20:48,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:20:48,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:20:48,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:20:48,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:20:48,499 INFO L87 Difference]: Start difference. First operand 3290 states and 4787 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) [2022-07-23 00:21:00,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:21:00,406 INFO L93 Difference]: Finished difference Result 10040 states and 15071 transitions. [2022-07-23 00:21:00,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:21:00,407 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 [2022-07-23 00:21:00,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:21:00,466 INFO L225 Difference]: With dead ends: 10040 [2022-07-23 00:21:00,467 INFO L226 Difference]: Without dead ends: 6773 [2022-07-23 00:21:00,494 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:21:00,495 INFO L413 NwaCegarLoop]: 2440 mSDtfsCounter, 4117 mSDsluCounter, 4056 mSDsCounter, 0 mSdLazyCounter, 4075 mSolverCounterSat, 2175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4296 SdHoareTripleChecker+Valid, 6496 SdHoareTripleChecker+Invalid, 6250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2175 IncrementalHoareTripleChecker+Valid, 4075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:21:00,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4296 Valid, 6496 Invalid, 6250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2175 Valid, 4075 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2022-07-23 00:21:00,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6773 states. [2022-07-23 00:21:00,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6773 to 6187. [2022-07-23 00:21:00,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6187 states, 4442 states have (on average 1.3885637100405224) internal successors, (6168), 4657 states have internal predecessors, (6168), 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) [2022-07-23 00:21:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6187 states to 6187 states and 9020 transitions. [2022-07-23 00:21:00,921 INFO L78 Accepts]: Start accepts. Automaton has 6187 states and 9020 transitions. Word has length 114 [2022-07-23 00:21:00,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:21:00,923 INFO L495 AbstractCegarLoop]: Abstraction has 6187 states and 9020 transitions. [2022-07-23 00:21:00,923 INFO L496 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) [2022-07-23 00:21:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 6187 states and 9020 transitions. [2022-07-23 00:21:00,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-23 00:21:00,927 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:21:00,927 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:21:00,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 00:21:00,928 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:21:00,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:21:00,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1899874418, now seen corresponding path program 1 times [2022-07-23 00:21:00,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:21:00,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102724000] [2022-07-23 00:21:00,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:21:00,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:21:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:21:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:21:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:21:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:21:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:21:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:21:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-23 00:21:01,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:21:01,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102724000] [2022-07-23 00:21:01,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102724000] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:21:01,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:21:01,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:21:01,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824826200] [2022-07-23 00:21:01,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:21:01,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:21:01,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:21:01,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:21:01,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:21:01,208 INFO L87 Difference]: Start difference. First operand 6187 states and 9020 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) [2022-07-23 00:21:10,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:21:10,236 INFO L93 Difference]: Finished difference Result 6768 states and 10064 transitions. [2022-07-23 00:21:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:21:10,237 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 [2022-07-23 00:21:10,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:21:10,282 INFO L225 Difference]: With dead ends: 6768 [2022-07-23 00:21:10,282 INFO L226 Difference]: Without dead ends: 6765 [2022-07-23 00:21:10,287 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:21:10,288 INFO L413 NwaCegarLoop]: 2151 mSDtfsCounter, 3216 mSDsluCounter, 2359 mSDsCounter, 0 mSdLazyCounter, 2344 mSolverCounterSat, 1312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3432 SdHoareTripleChecker+Valid, 4510 SdHoareTripleChecker+Invalid, 3656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1312 IncrementalHoareTripleChecker+Valid, 2344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:21:10,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3432 Valid, 4510 Invalid, 3656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1312 Valid, 2344 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2022-07-23 00:21:10,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6765 states. [2022-07-23 00:21:10,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6765 to 6186. [2022-07-23 00:21:10,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6186 states, 4442 states have (on average 1.3883385862224222) internal successors, (6167), 4656 states have internal predecessors, (6167), 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) [2022-07-23 00:21:10,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6186 states to 6186 states and 9018 transitions. [2022-07-23 00:21:10,572 INFO L78 Accepts]: Start accepts. Automaton has 6186 states and 9018 transitions. Word has length 115 [2022-07-23 00:21:10,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:21:10,572 INFO L495 AbstractCegarLoop]: Abstraction has 6186 states and 9018 transitions. [2022-07-23 00:21:10,573 INFO L496 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) [2022-07-23 00:21:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 6186 states and 9018 transitions. [2022-07-23 00:21:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-23 00:21:10,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:21:10,576 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:21:10,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 00:21:10,577 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:21:10,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:21:10,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1232908588, now seen corresponding path program 1 times [2022-07-23 00:21:10,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:21:10,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836170033] [2022-07-23 00:21:10,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:21:10,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:21:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:21:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:21:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:21:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:21:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:21:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:21:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-23 00:21:10,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:21:10,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836170033] [2022-07-23 00:21:10,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836170033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:21:10,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:21:10,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:21:10,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662176515] [2022-07-23 00:21:10,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:21:10,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:21:10,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:21:10,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:21:10,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:21:10,867 INFO L87 Difference]: Start difference. First operand 6186 states and 9018 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) [2022-07-23 00:21:17,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:21:17,558 INFO L93 Difference]: Finished difference Result 6767 states and 10062 transitions. [2022-07-23 00:21:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:21:17,559 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 [2022-07-23 00:21:17,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:21:17,603 INFO L225 Difference]: With dead ends: 6767 [2022-07-23 00:21:17,604 INFO L226 Difference]: Without dead ends: 6735 [2022-07-23 00:21:17,611 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:21:17,612 INFO L413 NwaCegarLoop]: 2158 mSDtfsCounter, 3318 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 1357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3534 SdHoareTripleChecker+Valid, 3758 SdHoareTripleChecker+Invalid, 3043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1357 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:21:17,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3534 Valid, 3758 Invalid, 3043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1357 Valid, 1686 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-07-23 00:21:17,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6735 states. [2022-07-23 00:21:17,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6735 to 6156. [2022-07-23 00:21:17,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6156 states, 4426 states have (on average 1.3888386805241753) internal successors, (6147), 4639 states have internal predecessors, (6147), 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) [2022-07-23 00:21:17,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6156 states to 6156 states and 8973 transitions. [2022-07-23 00:21:17,872 INFO L78 Accepts]: Start accepts. Automaton has 6156 states and 8973 transitions. Word has length 116 [2022-07-23 00:21:17,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:21:17,873 INFO L495 AbstractCegarLoop]: Abstraction has 6156 states and 8973 transitions. [2022-07-23 00:21:17,873 INFO L496 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) [2022-07-23 00:21:17,873 INFO L276 IsEmpty]: Start isEmpty. Operand 6156 states and 8973 transitions. [2022-07-23 00:21:17,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-23 00:21:17,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:21:17,882 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:21:17,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 00:21:17,883 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:21:17,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:21:17,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1841011683, now seen corresponding path program 1 times [2022-07-23 00:21:17,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:21:17,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490608292] [2022-07-23 00:21:17,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:21:17,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:21:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:21:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:21:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:21:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:21:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:21:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:21:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 00:21:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 00:21:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:21:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:21:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 00:21:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 00:21:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:18,156 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-23 00:21:18,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:21:18,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490608292] [2022-07-23 00:21:18,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490608292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:21:18,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:21:18,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:21:18,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452456513] [2022-07-23 00:21:18,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:21:18,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:21:18,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:21:18,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:21:18,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:21:18,158 INFO L87 Difference]: Start difference. First operand 6156 states and 8973 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) [2022-07-23 00:21:25,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:21:34,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:21:34,422 INFO L93 Difference]: Finished difference Result 21014 states and 31678 transitions. [2022-07-23 00:21:34,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 00:21:34,423 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 [2022-07-23 00:21:34,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:21:34,496 INFO L225 Difference]: With dead ends: 21014 [2022-07-23 00:21:34,496 INFO L226 Difference]: Without dead ends: 14881 [2022-07-23 00:21:34,527 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:21:34,528 INFO L413 NwaCegarLoop]: 2376 mSDtfsCounter, 6763 mSDsluCounter, 5529 mSDsCounter, 0 mSdLazyCounter, 7717 mSolverCounterSat, 4927 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7085 SdHoareTripleChecker+Valid, 7905 SdHoareTripleChecker+Invalid, 12644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4927 IncrementalHoareTripleChecker+Valid, 7717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:21:34,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7085 Valid, 7905 Invalid, 12644 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4927 Valid, 7717 Invalid, 0 Unknown, 0 Unchecked, 15.5s Time] [2022-07-23 00:21:34,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14881 states. [2022-07-23 00:21:35,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14881 to 13196. [2022-07-23 00:21:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13196 states, 9382 states have (on average 1.3821146876998507) internal successors, (12967), 9893 states have internal predecessors, (12967), 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) [2022-07-23 00:21:35,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13196 states to 13196 states and 19700 transitions. [2022-07-23 00:21:35,135 INFO L78 Accepts]: Start accepts. Automaton has 13196 states and 19700 transitions. Word has length 166 [2022-07-23 00:21:35,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:21:35,136 INFO L495 AbstractCegarLoop]: Abstraction has 13196 states and 19700 transitions. [2022-07-23 00:21:35,136 INFO L496 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) [2022-07-23 00:21:35,136 INFO L276 IsEmpty]: Start isEmpty. Operand 13196 states and 19700 transitions. [2022-07-23 00:21:35,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-23 00:21:35,161 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:21:35,161 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:21:35,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 00:21:35,162 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:21:35,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:21:35,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1331303249, now seen corresponding path program 1 times [2022-07-23 00:21:35,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:21:35,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146327773] [2022-07-23 00:21:35,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:21:35,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:21:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:21:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:21:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:21:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:21:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:21:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:21:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 00:21:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 00:21:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:21:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 00:21:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:21:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 00:21:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 00:21:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-23 00:21:35,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:21:35,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146327773] [2022-07-23 00:21:35,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146327773] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:21:35,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:21:35,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:21:35,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124278764] [2022-07-23 00:21:35,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:21:35,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:21:35,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:21:35,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:21:35,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:21:35,500 INFO L87 Difference]: Start difference. First operand 13196 states and 19700 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) [2022-07-23 00:21:48,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:21:48,377 INFO L93 Difference]: Finished difference Result 30501 states and 46660 transitions. [2022-07-23 00:21:48,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 00:21:48,378 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 204 [2022-07-23 00:21:48,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:21:48,472 INFO L225 Difference]: With dead ends: 30501 [2022-07-23 00:21:48,472 INFO L226 Difference]: Without dead ends: 17328 [2022-07-23 00:21:48,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2022-07-23 00:21:48,532 INFO L413 NwaCegarLoop]: 2468 mSDtfsCounter, 5512 mSDsluCounter, 6495 mSDsCounter, 0 mSdLazyCounter, 6343 mSolverCounterSat, 3794 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5779 SdHoareTripleChecker+Valid, 8963 SdHoareTripleChecker+Invalid, 10137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3794 IncrementalHoareTripleChecker+Valid, 6343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-07-23 00:21:48,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5779 Valid, 8963 Invalid, 10137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3794 Valid, 6343 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-07-23 00:21:48,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17328 states. [2022-07-23 00:21:49,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17328 to 13210. [2022-07-23 00:21:49,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13210 states, 9396 states have (on average 1.38154533844189) internal successors, (12981), 9907 states have internal predecessors, (12981), 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) [2022-07-23 00:21:49,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13210 states to 13210 states and 19714 transitions. [2022-07-23 00:21:49,187 INFO L78 Accepts]: Start accepts. Automaton has 13210 states and 19714 transitions. Word has length 204 [2022-07-23 00:21:49,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:21:49,188 INFO L495 AbstractCegarLoop]: Abstraction has 13210 states and 19714 transitions. [2022-07-23 00:21:49,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-23 00:21:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 13210 states and 19714 transitions. [2022-07-23 00:21:49,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-23 00:21:49,206 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:21:49,206 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:21:49,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 00:21:49,206 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:21:49,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:21:49,207 INFO L85 PathProgramCache]: Analyzing trace with hash 51529458, now seen corresponding path program 1 times [2022-07-23 00:21:49,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:21:49,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927959656] [2022-07-23 00:21:49,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:21:49,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:21:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:21:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:21:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:21:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:21:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:21:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:21:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 00:21:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 00:21:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:21:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 00:21:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 00:21:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 00:21:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 00:21:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:21:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:21:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 00:21:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:21:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-07-23 00:21:49,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:21:49,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927959656] [2022-07-23 00:21:49,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927959656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:21:49,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:21:49,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:21:49,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939689870] [2022-07-23 00:21:49,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:21:49,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:21:49,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:21:49,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:21:49,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:21:49,700 INFO L87 Difference]: Start difference. First operand 13210 states and 19714 transitions. Second operand has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 00:22:01,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:22:01,151 INFO L93 Difference]: Finished difference Result 42383 states and 64222 transitions. [2022-07-23 00:22:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 00:22:01,151 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 221 [2022-07-23 00:22:01,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:22:01,281 INFO L225 Difference]: With dead ends: 42383 [2022-07-23 00:22:01,281 INFO L226 Difference]: Without dead ends: 29196 [2022-07-23 00:22:01,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-07-23 00:22:01,323 INFO L413 NwaCegarLoop]: 3687 mSDtfsCounter, 5890 mSDsluCounter, 5156 mSDsCounter, 0 mSdLazyCounter, 5655 mSolverCounterSat, 5200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6245 SdHoareTripleChecker+Valid, 8843 SdHoareTripleChecker+Invalid, 10855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5200 IncrementalHoareTripleChecker+Valid, 5655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:22:01,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6245 Valid, 8843 Invalid, 10855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5200 Valid, 5655 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2022-07-23 00:22:01,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29196 states. [2022-07-23 00:22:02,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29196 to 25943. [2022-07-23 00:22:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25943 states, 18484 states have (on average 1.3825470677342566) internal successors, (25555), 19485 states have internal predecessors, (25555), 5723 states have call successors, (5723), 1328 states have call predecessors, (5723), 1735 states have return successors, (7451), 5673 states have call predecessors, (7451), 5721 states have call successors, (7451) [2022-07-23 00:22:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25943 states to 25943 states and 38729 transitions. [2022-07-23 00:22:02,469 INFO L78 Accepts]: Start accepts. Automaton has 25943 states and 38729 transitions. Word has length 221 [2022-07-23 00:22:02,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:22:02,470 INFO L495 AbstractCegarLoop]: Abstraction has 25943 states and 38729 transitions. [2022-07-23 00:22:02,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.875) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (19), 7 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 00:22:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand 25943 states and 38729 transitions. [2022-07-23 00:22:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-07-23 00:22:02,514 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:22:02,514 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:22:02,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 00:22:02,514 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:22:02,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:22:02,515 INFO L85 PathProgramCache]: Analyzing trace with hash 816682496, now seen corresponding path program 1 times [2022-07-23 00:22:02,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:22:02,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084190121] [2022-07-23 00:22:02,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:22:02,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:22:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:22:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:22:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:22:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:22:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:22:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 00:22:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 00:22:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 00:22:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 00:22:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:22:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:22:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 00:22:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:02,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:22:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 00:22:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:03,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 00:22:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 00:22:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:03,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 00:22:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 00:22:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:03,034 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2022-07-23 00:22:03,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:22:03,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084190121] [2022-07-23 00:22:03,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084190121] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:22:03,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:22:03,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:22:03,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356329434] [2022-07-23 00:22:03,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:22:03,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:22:03,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:22:03,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:22:03,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:22:03,037 INFO L87 Difference]: Start difference. First operand 25943 states and 38729 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 00:22:13,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:22:13,008 INFO L93 Difference]: Finished difference Result 44345 states and 66706 transitions. [2022-07-23 00:22:13,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 00:22:13,009 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 247 [2022-07-23 00:22:13,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:22:13,097 INFO L225 Difference]: With dead ends: 44345 [2022-07-23 00:22:13,097 INFO L226 Difference]: Without dead ends: 18433 [2022-07-23 00:22:13,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-07-23 00:22:13,171 INFO L413 NwaCegarLoop]: 2100 mSDtfsCounter, 2553 mSDsluCounter, 3823 mSDsCounter, 0 mSdLazyCounter, 5036 mSolverCounterSat, 2198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2697 SdHoareTripleChecker+Valid, 5923 SdHoareTripleChecker+Invalid, 7234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2198 IncrementalHoareTripleChecker+Valid, 5036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:22:13,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2697 Valid, 5923 Invalid, 7234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2198 Valid, 5036 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2022-07-23 00:22:13,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18433 states. [2022-07-23 00:22:13,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18433 to 16309. [2022-07-23 00:22:13,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16309 states, 11595 states have (on average 1.378697714532126) internal successors, (15986), 12227 states have internal predecessors, (15986), 3599 states have call successors, (3599), 860 states have call predecessors, (3599), 1114 states have return successors, (4672), 3565 states have call predecessors, (4672), 3597 states have call successors, (4672) [2022-07-23 00:22:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16309 states to 16309 states and 24257 transitions. [2022-07-23 00:22:13,940 INFO L78 Accepts]: Start accepts. Automaton has 16309 states and 24257 transitions. Word has length 247 [2022-07-23 00:22:13,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:22:13,941 INFO L495 AbstractCegarLoop]: Abstraction has 16309 states and 24257 transitions. [2022-07-23 00:22:13,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 00:22:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 16309 states and 24257 transitions. [2022-07-23 00:22:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-07-23 00:22:13,991 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:22:13,992 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:22:13,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 00:22:13,992 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:22:13,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:22:13,993 INFO L85 PathProgramCache]: Analyzing trace with hash -506907953, now seen corresponding path program 1 times [2022-07-23 00:22:13,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:22:13,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97687433] [2022-07-23 00:22:13,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:22:13,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:22:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:22:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:22:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:22:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:22:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:22:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 00:22:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:22:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:22:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:22:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 00:22:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:22:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 00:22:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:22:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:22:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 00:22:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:22:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:22:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:22:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 00:22:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:22:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:22:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:22:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-23 00:22:14,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:22:14,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97687433] [2022-07-23 00:22:14,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97687433] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:22:14,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:22:14,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 00:22:14,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837006952] [2022-07-23 00:22:14,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:22:14,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 00:22:14,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:22:14,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 00:22:14,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:22:14,688 INFO L87 Difference]: Start difference. First operand 16309 states and 24257 transitions. Second operand has 13 states, 13 states have (on average 12.538461538461538) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:22:31,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:22:31,608 INFO L93 Difference]: Finished difference Result 34777 states and 52337 transitions. [2022-07-23 00:22:31,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:22:31,608 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.538461538461538) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 287 [2022-07-23 00:22:31,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:22:31,694 INFO L225 Difference]: With dead ends: 34777 [2022-07-23 00:22:31,694 INFO L226 Difference]: Without dead ends: 18501 [2022-07-23 00:22:31,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-23 00:22:31,747 INFO L413 NwaCegarLoop]: 1966 mSDtfsCounter, 3874 mSDsluCounter, 4989 mSDsCounter, 0 mSdLazyCounter, 7067 mSolverCounterSat, 2322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4154 SdHoareTripleChecker+Valid, 6955 SdHoareTripleChecker+Invalid, 9389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2322 IncrementalHoareTripleChecker+Valid, 7067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:22:31,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4154 Valid, 6955 Invalid, 9389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2322 Valid, 7067 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2022-07-23 00:22:31,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18501 states. [2022-07-23 00:22:32,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18501 to 16289. [2022-07-23 00:22:32,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16289 states, 11585 states have (on average 1.3781614156236512) internal successors, (15966), 12217 states have internal predecessors, (15966), 3589 states have call successors, (3589), 860 states have call predecessors, (3589), 1114 states have return successors, (4642), 3555 states have call predecessors, (4642), 3587 states have call successors, (4642) [2022-07-23 00:22:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16289 states to 16289 states and 24197 transitions. [2022-07-23 00:22:32,648 INFO L78 Accepts]: Start accepts. Automaton has 16289 states and 24197 transitions. Word has length 287 [2022-07-23 00:22:32,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:22:32,648 INFO L495 AbstractCegarLoop]: Abstraction has 16289 states and 24197 transitions. [2022-07-23 00:22:32,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.538461538461538) internal successors, (163), 5 states have internal predecessors, (163), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:22:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 16289 states and 24197 transitions. [2022-07-23 00:22:32,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-07-23 00:22:32,681 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:22:32,681 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:22:32,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 00:22:32,682 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:22:32,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:22:32,682 INFO L85 PathProgramCache]: Analyzing trace with hash -2077042340, now seen corresponding path program 1 times [2022-07-23 00:22:32,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:22:32,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358048973] [2022-07-23 00:22:32,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:22:32,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:22:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:22:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:22:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:22:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:22:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:22:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:32,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:22:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:22:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:22:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:22:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 00:22:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:22:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 00:22:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:22:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:22:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 00:22:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:22:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:22:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:22:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 00:22:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:22:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:22:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:22:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:33,251 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-23 00:22:33,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:22:33,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358048973] [2022-07-23 00:22:33,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358048973] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:22:33,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:22:33,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 00:22:33,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461477190] [2022-07-23 00:22:33,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:22:33,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 00:22:33,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:22:33,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 00:22:33,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:22:33,254 INFO L87 Difference]: Start difference. First operand 16289 states and 24197 transitions. Second operand has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:22:44,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:22:44,717 INFO L93 Difference]: Finished difference Result 34737 states and 52212 transitions. [2022-07-23 00:22:44,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:22:44,717 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 289 [2022-07-23 00:22:44,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:22:44,802 INFO L225 Difference]: With dead ends: 34737 [2022-07-23 00:22:44,802 INFO L226 Difference]: Without dead ends: 18481 [2022-07-23 00:22:44,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-23 00:22:44,847 INFO L413 NwaCegarLoop]: 1976 mSDtfsCounter, 4597 mSDsluCounter, 3737 mSDsCounter, 0 mSdLazyCounter, 5042 mSolverCounterSat, 2944 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4872 SdHoareTripleChecker+Valid, 5713 SdHoareTripleChecker+Invalid, 7986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2944 IncrementalHoareTripleChecker+Valid, 5042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-07-23 00:22:44,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4872 Valid, 5713 Invalid, 7986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2944 Valid, 5042 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-07-23 00:22:44,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18481 states. [2022-07-23 00:22:45,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18481 to 16269. [2022-07-23 00:22:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16269 states, 11575 states have (on average 1.3776241900647948) internal successors, (15946), 12207 states have internal predecessors, (15946), 3579 states have call successors, (3579), 860 states have call predecessors, (3579), 1114 states have return successors, (4612), 3545 states have call predecessors, (4612), 3577 states have call successors, (4612) [2022-07-23 00:22:45,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16269 states to 16269 states and 24137 transitions. [2022-07-23 00:22:45,723 INFO L78 Accepts]: Start accepts. Automaton has 16269 states and 24137 transitions. Word has length 289 [2022-07-23 00:22:45,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:22:45,723 INFO L495 AbstractCegarLoop]: Abstraction has 16269 states and 24137 transitions. [2022-07-23 00:22:45,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.692307692307692) internal successors, (165), 5 states have internal predecessors, (165), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:22:45,723 INFO L276 IsEmpty]: Start isEmpty. Operand 16269 states and 24137 transitions. [2022-07-23 00:22:45,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-23 00:22:45,759 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:22:45,759 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:22:45,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 00:22:45,760 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:22:45,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:22:45,760 INFO L85 PathProgramCache]: Analyzing trace with hash 455950457, now seen corresponding path program 1 times [2022-07-23 00:22:45,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:22:45,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905362520] [2022-07-23 00:22:45,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:22:45,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:22:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:22:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:22:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:22:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:22:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:22:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:45,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-23 00:22:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:22:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:22:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:22:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:22:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 00:22:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:22:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 00:22:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:22:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:22:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 00:22:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:22:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:22:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:22:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 00:22:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:22:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:22:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:22:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:22:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:22:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:22:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-23 00:22:46,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:22:46,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905362520] [2022-07-23 00:22:46,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905362520] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:22:46,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:22:46,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 00:22:46,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205862843] [2022-07-23 00:22:46,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:22:46,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 00:22:46,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:22:46,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 00:22:46,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:22:46,292 INFO L87 Difference]: Start difference. First operand 16269 states and 24137 transitions. Second operand has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:23:01,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:23:01,855 INFO L93 Difference]: Finished difference Result 34697 states and 52087 transitions. [2022-07-23 00:23:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:23:01,856 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 288 [2022-07-23 00:23:01,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:23:01,923 INFO L225 Difference]: With dead ends: 34697 [2022-07-23 00:23:01,924 INFO L226 Difference]: Without dead ends: 18461 [2022-07-23 00:23:01,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-23 00:23:01,962 INFO L413 NwaCegarLoop]: 1973 mSDtfsCounter, 5620 mSDsluCounter, 5000 mSDsCounter, 0 mSdLazyCounter, 7373 mSolverCounterSat, 4007 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5886 SdHoareTripleChecker+Valid, 6973 SdHoareTripleChecker+Invalid, 11380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4007 IncrementalHoareTripleChecker+Valid, 7373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:23:01,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5886 Valid, 6973 Invalid, 11380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4007 Valid, 7373 Invalid, 0 Unknown, 0 Unchecked, 14.1s Time] [2022-07-23 00:23:01,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18461 states. [2022-07-23 00:23:02,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18461 to 16249. [2022-07-23 00:23:02,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16249 states, 11565 states have (on average 1.3770860354517942) internal successors, (15926), 12197 states have internal predecessors, (15926), 3569 states have call successors, (3569), 860 states have call predecessors, (3569), 1114 states have return successors, (4582), 3535 states have call predecessors, (4582), 3567 states have call successors, (4582) [2022-07-23 00:23:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16249 states to 16249 states and 24077 transitions. [2022-07-23 00:23:02,909 INFO L78 Accepts]: Start accepts. Automaton has 16249 states and 24077 transitions. Word has length 288 [2022-07-23 00:23:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:23:02,909 INFO L495 AbstractCegarLoop]: Abstraction has 16249 states and 24077 transitions. [2022-07-23 00:23:02,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.615384615384615) internal successors, (164), 5 states have internal predecessors, (164), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:23:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 16249 states and 24077 transitions. [2022-07-23 00:23:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-23 00:23:02,933 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:23:02,934 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:23:02,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 00:23:02,934 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:23:02,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:23:02,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1312272858, now seen corresponding path program 1 times [2022-07-23 00:23:02,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:23:02,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918002715] [2022-07-23 00:23:02,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:02,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:23:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:23:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:23:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:23:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:23:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:23:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 00:23:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:23:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:23:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:23:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 00:23:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 00:23:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 00:23:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:23:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 00:23:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-23 00:23:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 00:23:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 00:23:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 00:23:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-23 00:23:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 00:23:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:23:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 00:23:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:03,483 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-07-23 00:23:03,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:23:03,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918002715] [2022-07-23 00:23:03,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918002715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:23:03,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:23:03,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 00:23:03,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992075343] [2022-07-23 00:23:03,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:23:03,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 00:23:03,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:23:03,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 00:23:03,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:23:03,486 INFO L87 Difference]: Start difference. First operand 16249 states and 24077 transitions. Second operand has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:23:18,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:23:18,186 INFO L93 Difference]: Finished difference Result 34657 states and 51962 transitions. [2022-07-23 00:23:18,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:23:18,190 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 290 [2022-07-23 00:23:18,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:23:18,262 INFO L225 Difference]: With dead ends: 34657 [2022-07-23 00:23:18,262 INFO L226 Difference]: Without dead ends: 18441 [2022-07-23 00:23:18,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2022-07-23 00:23:18,291 INFO L413 NwaCegarLoop]: 2018 mSDtfsCounter, 4015 mSDsluCounter, 5170 mSDsCounter, 0 mSdLazyCounter, 7539 mSolverCounterSat, 2711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4279 SdHoareTripleChecker+Valid, 7188 SdHoareTripleChecker+Invalid, 10250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2711 IncrementalHoareTripleChecker+Valid, 7539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:23:18,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4279 Valid, 7188 Invalid, 10250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2711 Valid, 7539 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2022-07-23 00:23:18,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18441 states. [2022-07-23 00:23:19,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18441 to 16229. [2022-07-23 00:23:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16229 states, 11555 states have (on average 1.376546949372566) internal successors, (15906), 12187 states have internal predecessors, (15906), 3559 states have call successors, (3559), 860 states have call predecessors, (3559), 1114 states have return successors, (4552), 3525 states have call predecessors, (4552), 3557 states have call successors, (4552) [2022-07-23 00:23:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16229 states to 16229 states and 24017 transitions. [2022-07-23 00:23:19,075 INFO L78 Accepts]: Start accepts. Automaton has 16229 states and 24017 transitions. Word has length 290 [2022-07-23 00:23:19,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:23:19,076 INFO L495 AbstractCegarLoop]: Abstraction has 16229 states and 24017 transitions. [2022-07-23 00:23:19,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 5 states have internal predecessors, (166), 2 states have call successors, (35), 10 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:23:19,076 INFO L276 IsEmpty]: Start isEmpty. Operand 16229 states and 24017 transitions. [2022-07-23 00:23:19,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-23 00:23:19,096 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:23:19,096 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:23:19,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 00:23:19,096 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:23:19,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:23:19,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1304651142, now seen corresponding path program 1 times [2022-07-23 00:23:19,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:23:19,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849278687] [2022-07-23 00:23:19,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:19,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:23:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:23:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:23:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:23:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:23:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:23:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 00:23:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 00:23:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 00:23:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 00:23:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 00:23:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 00:23:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:23:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 00:23:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:23:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 00:23:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 00:23:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 00:23:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 00:23:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-23 00:23:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-23 00:23:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:23:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 00:23:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 00:23:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 00:23:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 00:23:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-23 00:23:19,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:23:19,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849278687] [2022-07-23 00:23:19,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849278687] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:23:19,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415869262] [2022-07-23 00:23:19,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:19,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:23:19,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:23:19,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:23:19,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 00:23:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:20,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 2923 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 00:23:20,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:23:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-23 00:23:20,748 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:23:20,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415869262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:23:20,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:23:20,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2022-07-23 00:23:20,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858260672] [2022-07-23 00:23:20,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:23:20,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:23:20,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:23:20,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:23:20,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:23:20,751 INFO L87 Difference]: Start difference. First operand 16229 states and 24017 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-23 00:23:22,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:23:22,471 INFO L93 Difference]: Finished difference Result 29395 states and 43583 transitions. [2022-07-23 00:23:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:23:22,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 296 [2022-07-23 00:23:22,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:23:22,585 INFO L225 Difference]: With dead ends: 29395 [2022-07-23 00:23:22,585 INFO L226 Difference]: Without dead ends: 22834 [2022-07-23 00:23:22,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-07-23 00:23:22,624 INFO L413 NwaCegarLoop]: 4509 mSDtfsCounter, 2959 mSDsluCounter, 10512 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2981 SdHoareTripleChecker+Valid, 15021 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:23:22,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2981 Valid, 15021 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 00:23:22,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22834 states. [2022-07-23 00:23:23,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22834 to 16253. [2022-07-23 00:23:23,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16253 states, 11569 states have (on average 1.3760912784164578) internal successors, (15920), 12203 states have internal predecessors, (15920), 3569 states have call successors, (3569), 860 states have call predecessors, (3569), 1114 states have return successors, (4564), 3535 states have call predecessors, (4564), 3567 states have call successors, (4564) [2022-07-23 00:23:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16253 states to 16253 states and 24053 transitions. [2022-07-23 00:23:23,677 INFO L78 Accepts]: Start accepts. Automaton has 16253 states and 24053 transitions. Word has length 296 [2022-07-23 00:23:23,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:23:23,678 INFO L495 AbstractCegarLoop]: Abstraction has 16253 states and 24053 transitions. [2022-07-23 00:23:23,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-23 00:23:23,678 INFO L276 IsEmpty]: Start isEmpty. Operand 16253 states and 24053 transitions. [2022-07-23 00:23:23,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-23 00:23:23,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:23:23,694 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:23:23,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-23 00:23:23,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-23 00:23:23,896 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:23:23,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:23:23,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1389245048, now seen corresponding path program 1 times [2022-07-23 00:23:23,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:23:23,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675974742] [2022-07-23 00:23:23,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:23,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:23:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:23:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:23:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:23:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:23:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 00:23:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 00:23:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 00:23:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 00:23:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 00:23:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 00:23:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 00:23:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:23:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 00:23:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 00:23:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 00:23:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 00:23:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 00:23:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 00:23:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-23 00:23:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-23 00:23:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:23:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 00:23:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 00:23:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 00:23:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 00:23:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2022-07-23 00:23:24,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:23:24,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675974742] [2022-07-23 00:23:24,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675974742] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:23:24,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021727068] [2022-07-23 00:23:24,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:24,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:23:24,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:23:24,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:23:24,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 00:23:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:25,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 2918 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-23 00:23:25,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:23:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-07-23 00:23:25,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:23:25,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021727068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:23:25,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:23:25,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-07-23 00:23:25,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590820271] [2022-07-23 00:23:25,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:23:25,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:23:25,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:23:25,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:23:25,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-07-23 00:23:25,264 INFO L87 Difference]: Start difference. First operand 16253 states and 24053 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 00:23:26,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:23:26,282 INFO L93 Difference]: Finished difference Result 32517 states and 48154 transitions. [2022-07-23 00:23:26,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 00:23:26,283 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 296 [2022-07-23 00:23:26,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:23:26,357 INFO L225 Difference]: With dead ends: 32517 [2022-07-23 00:23:26,358 INFO L226 Difference]: Without dead ends: 16283 [2022-07-23 00:23:26,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-07-23 00:23:26,407 INFO L413 NwaCegarLoop]: 2345 mSDtfsCounter, 6 mSDsluCounter, 9363 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11708 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:23:26,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11708 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 00:23:26,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16283 states. [2022-07-23 00:23:27,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16283 to 16256. [2022-07-23 00:23:27,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16256 states, 11571 states have (on average 1.3761126955319334) internal successors, (15923), 12206 states have internal predecessors, (15923), 3569 states have call successors, (3569), 860 states have call predecessors, (3569), 1115 states have return successors, (4568), 3535 states have call predecessors, (4568), 3567 states have call successors, (4568) [2022-07-23 00:23:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16256 states to 16256 states and 24060 transitions. [2022-07-23 00:23:27,487 INFO L78 Accepts]: Start accepts. Automaton has 16256 states and 24060 transitions. Word has length 296 [2022-07-23 00:23:27,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:23:27,487 INFO L495 AbstractCegarLoop]: Abstraction has 16256 states and 24060 transitions. [2022-07-23 00:23:27,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 00:23:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 16256 states and 24060 transitions. [2022-07-23 00:23:27,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-07-23 00:23:27,501 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:23:27,502 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:23:27,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-23 00:23:27,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-23 00:23:27,704 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:23:27,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:23:27,704 INFO L85 PathProgramCache]: Analyzing trace with hash 212234994, now seen corresponding path program 1 times [2022-07-23 00:23:27,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:23:27,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416806125] [2022-07-23 00:23:27,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:27,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:23:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:23:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:23:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:23:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:23:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 00:23:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 00:23:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 00:23:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:27,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-23 00:23:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 00:23:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 00:23:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 00:23:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 00:23:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 00:23:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 00:23:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 00:23:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:23:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 00:23:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-23 00:23:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 00:23:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 00:23:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 00:23:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 00:23:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 00:23:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 00:23:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:23:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-23 00:23:28,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:23:28,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416806125] [2022-07-23 00:23:28,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416806125] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:23:28,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332336132] [2022-07-23 00:23:28,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:28,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:23:28,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:23:28,160 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:23:28,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 00:23:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:29,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 2948 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-23 00:23:29,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:23:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 124 proven. 1 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-07-23 00:23:29,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:23:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-07-23 00:23:29,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332336132] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:23:29,569 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 00:23:29,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 20 [2022-07-23 00:23:29,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963364064] [2022-07-23 00:23:29,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 00:23:29,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-23 00:23:29,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:23:29,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-23 00:23:29,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2022-07-23 00:23:29,571 INFO L87 Difference]: Start difference. First operand 16256 states and 24060 transitions. Second operand has 20 states, 18 states have (on average 11.333333333333334) internal successors, (204), 13 states have internal predecessors, (204), 4 states have call successors, (78), 8 states have call predecessors, (78), 6 states have return successors, (63), 5 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-23 00:23:53,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:23:53,549 INFO L93 Difference]: Finished difference Result 34653 states and 51954 transitions. [2022-07-23 00:23:53,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-23 00:23:53,552 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 11.333333333333334) internal successors, (204), 13 states have internal predecessors, (204), 4 states have call successors, (78), 8 states have call predecessors, (78), 6 states have return successors, (63), 5 states have call predecessors, (63), 4 states have call successors, (63) Word has length 298 [2022-07-23 00:23:53,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:23:53,623 INFO L225 Difference]: With dead ends: 34653 [2022-07-23 00:23:53,623 INFO L226 Difference]: Without dead ends: 18416 [2022-07-23 00:23:53,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 665 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2022-07-23 00:23:53,666 INFO L413 NwaCegarLoop]: 2130 mSDtfsCounter, 2548 mSDsluCounter, 14714 mSDsCounter, 0 mSdLazyCounter, 18475 mSolverCounterSat, 2158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 16844 SdHoareTripleChecker+Invalid, 20633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2158 IncrementalHoareTripleChecker+Valid, 18475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-07-23 00:23:53,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 16844 Invalid, 20633 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2158 Valid, 18475 Invalid, 0 Unknown, 0 Unchecked, 22.2s Time] [2022-07-23 00:23:53,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18416 states. [2022-07-23 00:23:54,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18416 to 16269. [2022-07-23 00:23:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16269 states, 11582 states have (on average 1.375841823519254) internal successors, (15935), 12215 states have internal predecessors, (15935), 3569 states have call successors, (3569), 860 states have call predecessors, (3569), 1117 states have return successors, (4577), 3539 states have call predecessors, (4577), 3567 states have call successors, (4577) [2022-07-23 00:23:54,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16269 states to 16269 states and 24081 transitions. [2022-07-23 00:23:54,654 INFO L78 Accepts]: Start accepts. Automaton has 16269 states and 24081 transitions. Word has length 298 [2022-07-23 00:23:54,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:23:54,654 INFO L495 AbstractCegarLoop]: Abstraction has 16269 states and 24081 transitions. [2022-07-23 00:23:54,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 11.333333333333334) internal successors, (204), 13 states have internal predecessors, (204), 4 states have call successors, (78), 8 states have call predecessors, (78), 6 states have return successors, (63), 5 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-23 00:23:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 16269 states and 24081 transitions. [2022-07-23 00:23:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-23 00:23:54,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:23:54,674 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:23:54,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-23 00:23:54,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:23:54,875 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:23:54,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:23:54,875 INFO L85 PathProgramCache]: Analyzing trace with hash -109982936, now seen corresponding path program 1 times [2022-07-23 00:23:54,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:23:54,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753325308] [2022-07-23 00:23:54,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:23:54,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:23:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:23:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:23:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:23:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 00:23:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 00:23:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 00:23:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 00:23:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:23:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 00:23:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:23:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 00:23:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:23:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 00:23:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-23 00:23:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:23:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 00:23:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 00:23:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 00:23:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 00:23:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 00:23:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:23:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 00:23:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 00:23:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 00:23:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 00:23:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 00:23:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 00:23:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 00:23:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:23:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2022-07-23 00:23:55,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:23:55,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753325308] [2022-07-23 00:23:55,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753325308] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:23:55,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:23:55,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-23 00:23:55,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072731827] [2022-07-23 00:23:55,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:23:55,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 00:23:55,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:23:55,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 00:23:55,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-07-23 00:23:55,511 INFO L87 Difference]: Start difference. First operand 16269 states and 24081 transitions. Second operand has 15 states, 14 states have (on average 8.571428571428571) internal successors, (120), 7 states have internal predecessors, (120), 3 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31)