./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-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 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:49:48,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:49:48,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:49:48,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:49:48,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:49:48,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:49:48,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:49:48,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:49:48,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:49:48,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:49:48,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:49:48,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:49:48,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:49:48,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:49:48,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:49:48,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:49:48,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:49:48,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:49:48,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:49:48,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:49:48,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:49:48,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:49:48,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:49:48,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:49:48,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:49:48,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:49:48,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:49:48,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:49:48,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:49:48,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:49:48,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:49:48,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:49:48,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:49:48,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:49:48,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:49:48,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:49:48,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:49:48,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:49:48,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:49:48,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:49:48,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:49:48,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:49:48,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:49:48,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:49:48,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:49:48,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:49:48,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:49:48,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:49:48,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:49:48,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:49:48,464 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:49:48,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:49:48,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:49:48,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:49:48,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:49:48,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:49:48,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:49:48,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:49:48,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:49:48,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:49:48,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:49:48,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:49:48,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:49:48,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:49:48,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:49:48,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:49:48,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:49:48,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:49:48,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:49:48,467 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:49:48,467 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:49:48,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:49:48,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:49:48,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f420ae29f1d217fd86475befc2729bf689978fed36c08e1357ee5c24faa0f48 [2021-12-22 14:49:48,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:49:48,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:49:48,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:49:48,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:49:48,655 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:49:48,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-22 14:49:48,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d862a7628/234f6629d1dd4e40a87a58001886c1a9/FLAG709e2e95e [2021-12-22 14:49:49,260 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:49:49,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-22 14:49:49,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d862a7628/234f6629d1dd4e40a87a58001886c1a9/FLAG709e2e95e [2021-12-22 14:49:49,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d862a7628/234f6629d1dd4e40a87a58001886c1a9 [2021-12-22 14:49:49,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:49:49,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:49:49,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:49:49,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:49:49,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:49:49,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:49:49" (1/1) ... [2021-12-22 14:49:49,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4383d2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:49, skipping insertion in model container [2021-12-22 14:49:49,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:49:49" (1/1) ... [2021-12-22 14:49:49,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:49:49,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:49:50,673 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-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2021-12-22 14:49:50,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:49:50,722 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:49:50,954 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-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i[238753,238766] [2021-12-22 14:49:50,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:49:51,025 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:49:51,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51 WrapperNode [2021-12-22 14:49:51,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:49:51,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:49:51,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:49:51,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:49:51,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51" (1/1) ... [2021-12-22 14:49:51,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51" (1/1) ... [2021-12-22 14:49:51,244 INFO L137 Inliner]: procedures = 257, calls = 1800, calls flagged for inlining = 103, calls inlined = 99, statements flattened = 4507 [2021-12-22 14:49:51,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:49:51,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:49:51,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:49:51,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:49:51,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51" (1/1) ... [2021-12-22 14:49:51,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51" (1/1) ... [2021-12-22 14:49:51,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51" (1/1) ... [2021-12-22 14:49:51,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51" (1/1) ... [2021-12-22 14:49:51,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51" (1/1) ... [2021-12-22 14:49:51,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51" (1/1) ... [2021-12-22 14:49:51,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51" (1/1) ... [2021-12-22 14:49:51,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:49:51,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:49:51,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:49:51,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:49:51,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51" (1/1) ... [2021-12-22 14:49:51,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:49:51,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:49:51,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:49:51,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:49:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 14:49:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 14:49:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:49:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:49:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:49:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:49:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 14:49:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 14:49:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2021-12-22 14:49:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2021-12-22 14:49:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_11 [2021-12-22 14:49:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_11 [2021-12-22 14:49:51,526 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2021-12-22 14:49:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2021-12-22 14:49:51,527 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2021-12-22 14:49:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2021-12-22 14:49:51,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2021-12-22 14:49:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2021-12-22 14:49:51,527 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-22 14:49:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-22 14:49:51,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:49:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:49:51,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2021-12-22 14:49:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2021-12-22 14:49:51,528 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-22 14:49:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-22 14:49:51,528 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2021-12-22 14:49:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2021-12-22 14:49:51,529 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:49:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:49:51,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:49:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:49:51,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:49:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:49:51,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_49 [2021-12-22 14:49:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_49 [2021-12-22 14:49:51,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:49:51,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:49:51,530 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2021-12-22 14:49:51,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2021-12-22 14:49:51,530 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-22 14:49:51,530 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-22 14:49:51,530 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2021-12-22 14:49:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2021-12-22 14:49:51,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 14:49:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-22 14:49:51,531 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2021-12-22 14:49:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2021-12-22 14:49:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2021-12-22 14:49:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2021-12-22 14:49:51,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2021-12-22 14:49:51,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2021-12-22 14:49:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:49:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2021-12-22 14:49:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2021-12-22 14:49:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:49:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:49:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-22 14:49:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-22 14:49:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:49:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2021-12-22 14:49:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2021-12-22 14:49:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 14:49:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 14:49:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2021-12-22 14:49:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2021-12-22 14:49:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2021-12-22 14:49:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2021-12-22 14:49:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_14 [2021-12-22 14:49:51,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_14 [2021-12-22 14:49:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-12-22 14:49:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-12-22 14:49:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:49:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:49:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 14:49:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 14:49:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:49:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:49:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2021-12-22 14:49:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2021-12-22 14:49:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 14:49:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 14:49:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 14:49:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 14:49:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2021-12-22 14:49:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2021-12-22 14:49:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-22 14:49:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-22 14:49:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2021-12-22 14:49:51,560 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2021-12-22 14:49:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2021-12-22 14:49:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2021-12-22 14:49:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-22 14:49:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-22 14:49:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:49:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2021-12-22 14:49:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2021-12-22 14:49:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:49:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2021-12-22 14:49:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2021-12-22 14:49:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-22 14:49:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-22 14:49:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:49:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_6 [2021-12-22 14:49:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_6 [2021-12-22 14:49:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-22 14:49:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-22 14:49:51,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:49:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:49:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 14:49:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 14:49:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2021-12-22 14:49:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2021-12-22 14:49:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-22 14:49:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-22 14:49:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:49:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:49:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-22 14:49:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-22 14:49:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:49:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2021-12-22 14:49:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2021-12-22 14:49:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2021-12-22 14:49:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2021-12-22 14:49:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2021-12-22 14:49:51,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2021-12-22 14:49:51,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:49:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:49:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_31 [2021-12-22 14:49:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_31 [2021-12-22 14:49:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 14:49:51,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 14:49:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:49:51,563 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_6 [2021-12-22 14:49:51,565 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_6 [2021-12-22 14:49:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2021-12-22 14:49:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2021-12-22 14:49:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 14:49:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 14:49:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-22 14:49:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-22 14:49:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2021-12-22 14:49:51,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2021-12-22 14:49:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:49:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2021-12-22 14:49:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2021-12-22 14:49:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_6 [2021-12-22 14:49:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_6 [2021-12-22 14:49:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_8 [2021-12-22 14:49:51,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_8 [2021-12-22 14:49:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 14:49:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 14:49:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:49:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2021-12-22 14:49:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2021-12-22 14:49:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:49:51,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 14:49:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2021-12-22 14:49:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2021-12-22 14:49:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2021-12-22 14:49:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2021-12-22 14:49:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-22 14:49:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-22 14:49:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 14:49:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 14:49:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2021-12-22 14:49:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2021-12-22 14:49:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-12-22 14:49:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-12-22 14:49:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2021-12-22 14:49:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2021-12-22 14:49:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2021-12-22 14:49:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2021-12-22 14:49:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 14:49:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 14:49:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 14:49:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 14:49:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2021-12-22 14:49:51,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2021-12-22 14:49:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-12-22 14:49:51,571 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-12-22 14:49:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-22 14:49:51,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-22 14:49:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_46 [2021-12-22 14:49:51,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_46 [2021-12-22 14:49:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2021-12-22 14:49:51,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2021-12-22 14:49:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:49:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-22 14:49:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-22 14:49:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2021-12-22 14:49:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2021-12-22 14:49:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-22 14:49:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-22 14:49:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2021-12-22 14:49:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2021-12-22 14:49:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2021-12-22 14:49:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2021-12-22 14:49:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 14:49:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:49:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:49:52,101 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:49:52,104 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:49:52,820 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:49:55,532 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:49:55,551 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:49:55,551 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:49:55,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:49:55 BoogieIcfgContainer [2021-12-22 14:49:55,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:49:55,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:49:55,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:49:55,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:49:55,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:49:49" (1/3) ... [2021-12-22 14:49:55,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375472e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:49:55, skipping insertion in model container [2021-12-22 14:49:55,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:49:51" (2/3) ... [2021-12-22 14:49:55,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375472e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:49:55, skipping insertion in model container [2021-12-22 14:49:55,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:49:55" (3/3) ... [2021-12-22 14:49:55,559 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-5fdb450-1-144_2a-drivers--mmc--host--vub300.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-12-22 14:49:55,563 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:49:55,563 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:49:55,596 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:49:55,600 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:49:55,600 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:49:55,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 1578 states, 1108 states have (on average 1.3998194945848375) internal successors, (1551), 1173 states have internal predecessors, (1551), 377 states have call successors, (377), 92 states have call predecessors, (377), 91 states have return successors, (368), 342 states have call predecessors, (368), 368 states have call successors, (368) [2021-12-22 14:49:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-22 14:49:55,670 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:49:55,671 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:49:55,671 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:49:55,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:49:55,675 INFO L85 PathProgramCache]: Analyzing trace with hash -695991338, now seen corresponding path program 1 times [2021-12-22 14:49:55,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:49:55,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318544153] [2021-12-22 14:49:55,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:49:55,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:49:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:49:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:49:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:49:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:49:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:49:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:49:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:49:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:49:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:49:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-22 14:49:56,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:49:56,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318544153] [2021-12-22 14:49:56,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318544153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:49:56,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:49:56,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:49:56,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085306573] [2021-12-22 14:49:56,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:49:56,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:49:56,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:49:56,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:49:56,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:49:56,270 INFO L87 Difference]: Start difference. First operand has 1578 states, 1108 states have (on average 1.3998194945848375) internal successors, (1551), 1173 states have internal predecessors, (1551), 377 states have call successors, (377), 92 states have call predecessors, (377), 91 states have return successors, (368), 342 states have call predecessors, (368), 368 states have call successors, (368) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:04,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:50:04,337 INFO L93 Difference]: Finished difference Result 3309 states and 4923 transitions. [2021-12-22 14:50:04,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 14:50:04,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 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 114 [2021-12-22 14:50:04,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:50:04,358 INFO L225 Difference]: With dead ends: 3309 [2021-12-22 14:50:04,358 INFO L226 Difference]: Without dead ends: 1720 [2021-12-22 14:50:04,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:50:04,377 INFO L933 BasicCegarLoop]: 2113 mSDtfsCounter, 1088 mSDsluCounter, 2300 mSDsCounter, 0 mSdLazyCounter, 2272 mSolverCounterSat, 964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1118 SdHoareTripleChecker+Valid, 4413 SdHoareTripleChecker+Invalid, 3236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 964 IncrementalHoareTripleChecker+Valid, 2272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-22 14:50:04,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1118 Valid, 4413 Invalid, 3236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [964 Valid, 2272 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-12-22 14:50:04,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2021-12-22 14:50:04,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1562. [2021-12-22 14:50:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1103 states have (on average 1.3907524932003625) internal successors, (1534), 1157 states have internal predecessors, (1534), 368 states have call successors, (368), 91 states have call predecessors, (368), 90 states have return successors, (363), 337 states have call predecessors, (363), 363 states have call successors, (363) [2021-12-22 14:50:04,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2265 transitions. [2021-12-22 14:50:04,542 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2265 transitions. Word has length 114 [2021-12-22 14:50:04,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:50:04,542 INFO L470 AbstractCegarLoop]: Abstraction has 1562 states and 2265 transitions. [2021-12-22 14:50:04,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:04,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2265 transitions. [2021-12-22 14:50:04,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-12-22 14:50:04,553 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:50:04,553 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:50:04,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:50:04,554 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:50:04,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:50:04,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1398740446, now seen corresponding path program 1 times [2021-12-22 14:50:04,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:50:04,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925578677] [2021-12-22 14:50:04,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:50:04,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:50:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:50:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:50:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:50:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:50:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:50:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:50:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-22 14:50:04,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:50:04,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925578677] [2021-12-22 14:50:04,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925578677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:50:04,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:50:04,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:50:04,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781068901] [2021-12-22 14:50:04,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:50:04,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:50:04,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:50:04,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:50:04,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:50:04,957 INFO L87 Difference]: Start difference. First operand 1562 states and 2265 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:14,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:50:14,816 INFO L93 Difference]: Finished difference Result 4952 states and 7650 transitions. [2021-12-22 14:50:14,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:50:14,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 114 [2021-12-22 14:50:14,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:50:14,834 INFO L225 Difference]: With dead ends: 4952 [2021-12-22 14:50:14,834 INFO L226 Difference]: Without dead ends: 3413 [2021-12-22 14:50:14,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:50:14,843 INFO L933 BasicCegarLoop]: 2646 mSDtfsCounter, 4276 mSDsluCounter, 3683 mSDsCounter, 0 mSdLazyCounter, 3044 mSolverCounterSat, 2263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 6329 SdHoareTripleChecker+Invalid, 5307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2263 IncrementalHoareTripleChecker+Valid, 3044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-12-22 14:50:14,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4481 Valid, 6329 Invalid, 5307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2263 Valid, 3044 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2021-12-22 14:50:14,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2021-12-22 14:50:14,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3183. [2021-12-22 14:50:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3183 states, 2243 states have (on average 1.384306732055283) internal successors, (3105), 2358 states have internal predecessors, (3105), 735 states have call successors, (735), 180 states have call predecessors, (735), 204 states have return successors, (939), 697 states have call predecessors, (939), 730 states have call successors, (939) [2021-12-22 14:50:14,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 3183 states and 4779 transitions. [2021-12-22 14:50:14,971 INFO L78 Accepts]: Start accepts. Automaton has 3183 states and 4779 transitions. Word has length 114 [2021-12-22 14:50:14,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:50:14,972 INFO L470 AbstractCegarLoop]: Abstraction has 3183 states and 4779 transitions. [2021-12-22 14:50:14,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:14,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3183 states and 4779 transitions. [2021-12-22 14:50:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-22 14:50:14,975 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:50:14,975 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:50:14,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:50:14,975 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:50:14,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:50:14,976 INFO L85 PathProgramCache]: Analyzing trace with hash 410740249, now seen corresponding path program 1 times [2021-12-22 14:50:14,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:50:14,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052101904] [2021-12-22 14:50:14,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:50:14,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:50:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:50:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:50:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:50:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:50:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:50:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:50:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-22 14:50:15,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:50:15,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052101904] [2021-12-22 14:50:15,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052101904] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:50:15,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:50:15,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:50:15,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185978191] [2021-12-22 14:50:15,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:50:15,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:50:15,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:50:15,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:50:15,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:50:15,238 INFO L87 Difference]: Start difference. First operand 3183 states and 4779 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:24,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:50:24,966 INFO L93 Difference]: Finished difference Result 9935 states and 15966 transitions. [2021-12-22 14:50:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:50:24,966 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 115 [2021-12-22 14:50:24,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:50:25,002 INFO L225 Difference]: With dead ends: 9935 [2021-12-22 14:50:25,002 INFO L226 Difference]: Without dead ends: 6775 [2021-12-22 14:50:25,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:50:25,028 INFO L933 BasicCegarLoop]: 2699 mSDtfsCounter, 4230 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 3091 mSolverCounterSat, 2241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4442 SdHoareTripleChecker+Valid, 6366 SdHoareTripleChecker+Invalid, 5332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2241 IncrementalHoareTripleChecker+Valid, 3091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-12-22 14:50:25,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4442 Valid, 6366 Invalid, 5332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2241 Valid, 3091 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2021-12-22 14:50:25,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6775 states. [2021-12-22 14:50:25,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6775 to 6358. [2021-12-22 14:50:25,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6358 states, 4480 states have (on average 1.3830357142857144) internal successors, (6196), 4713 states have internal predecessors, (6196), 1463 states have call successors, (1463), 358 states have call predecessors, (1463), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2021-12-22 14:50:25,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6358 states to 6358 states and 9900 transitions. [2021-12-22 14:50:25,245 INFO L78 Accepts]: Start accepts. Automaton has 6358 states and 9900 transitions. Word has length 115 [2021-12-22 14:50:25,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:50:25,245 INFO L470 AbstractCegarLoop]: Abstraction has 6358 states and 9900 transitions. [2021-12-22 14:50:25,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 6358 states and 9900 transitions. [2021-12-22 14:50:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-22 14:50:25,249 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:50:25,249 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:50:25,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:50:25,250 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:50:25,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:50:25,250 INFO L85 PathProgramCache]: Analyzing trace with hash -152489919, now seen corresponding path program 1 times [2021-12-22 14:50:25,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:50:25,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988918505] [2021-12-22 14:50:25,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:50:25,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:50:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:50:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:50:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:50:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:50:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:50:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:50:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-22 14:50:25,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:50:25,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988918505] [2021-12-22 14:50:25,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988918505] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:50:25,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:50:25,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:50:25,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812542448] [2021-12-22 14:50:25,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:50:25,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:50:25,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:50:25,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:50:25,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:50:25,477 INFO L87 Difference]: Start difference. First operand 6358 states and 9900 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:38,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:50:38,384 INFO L93 Difference]: Finished difference Result 6773 states and 10669 transitions. [2021-12-22 14:50:38,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:50:38,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 116 [2021-12-22 14:50:38,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:50:38,421 INFO L225 Difference]: With dead ends: 6773 [2021-12-22 14:50:38,422 INFO L226 Difference]: Without dead ends: 6770 [2021-12-22 14:50:38,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-22 14:50:38,427 INFO L933 BasicCegarLoop]: 2695 mSDtfsCounter, 4098 mSDsluCounter, 4622 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 2130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4310 SdHoareTripleChecker+Valid, 7317 SdHoareTripleChecker+Invalid, 6219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2130 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-12-22 14:50:38,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4310 Valid, 7317 Invalid, 6219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2130 Valid, 4089 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2021-12-22 14:50:38,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6770 states. [2021-12-22 14:50:38,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6770 to 6359. [2021-12-22 14:50:38,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6359 states, 4481 states have (on average 1.3829502343226958) internal successors, (6197), 4714 states have internal predecessors, (6197), 1463 states have call successors, (1463), 358 states have call predecessors, (1463), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2021-12-22 14:50:38,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6359 states to 6359 states and 9901 transitions. [2021-12-22 14:50:38,643 INFO L78 Accepts]: Start accepts. Automaton has 6359 states and 9901 transitions. Word has length 116 [2021-12-22 14:50:38,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:50:38,644 INFO L470 AbstractCegarLoop]: Abstraction has 6359 states and 9901 transitions. [2021-12-22 14:50:38,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 6359 states and 9901 transitions. [2021-12-22 14:50:38,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-22 14:50:38,645 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:50:38,645 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:50:38,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 14:50:38,646 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:50:38,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:50:38,646 INFO L85 PathProgramCache]: Analyzing trace with hash -432751076, now seen corresponding path program 1 times [2021-12-22 14:50:38,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:50:38,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142012016] [2021-12-22 14:50:38,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:50:38,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:50:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:50:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:50:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:50:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:50:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:50:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:50:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-22 14:50:38,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:50:38,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142012016] [2021-12-22 14:50:38,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142012016] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:50:38,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:50:38,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:50:38,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811670684] [2021-12-22 14:50:38,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:50:38,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:50:38,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:50:38,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:50:38,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:50:38,884 INFO L87 Difference]: Start difference. First operand 6359 states and 9901 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:42,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:50:42,892 INFO L93 Difference]: Finished difference Result 6769 states and 10665 transitions. [2021-12-22 14:50:42,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:50:42,893 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (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 117 [2021-12-22 14:50:42,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:50:42,928 INFO L225 Difference]: With dead ends: 6769 [2021-12-22 14:50:42,929 INFO L226 Difference]: Without dead ends: 6766 [2021-12-22 14:50:42,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:50:42,935 INFO L933 BasicCegarLoop]: 2064 mSDtfsCounter, 3576 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 1775 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3783 SdHoareTripleChecker+Valid, 2894 SdHoareTripleChecker+Invalid, 2754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1775 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-22 14:50:42,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3783 Valid, 2894 Invalid, 2754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1775 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-22 14:50:42,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6766 states. [2021-12-22 14:50:43,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6766 to 6358. [2021-12-22 14:50:43,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6358 states, 4481 states have (on average 1.3827270698504799) internal successors, (6196), 4713 states have internal predecessors, (6196), 1462 states have call successors, (1462), 358 states have call predecessors, (1462), 414 states have return successors, (2241), 1395 states have call predecessors, (2241), 1458 states have call successors, (2241) [2021-12-22 14:50:43,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6358 states to 6358 states and 9899 transitions. [2021-12-22 14:50:43,251 INFO L78 Accepts]: Start accepts. Automaton has 6358 states and 9899 transitions. Word has length 117 [2021-12-22 14:50:43,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:50:43,252 INFO L470 AbstractCegarLoop]: Abstraction has 6358 states and 9899 transitions. [2021-12-22 14:50:43,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:43,253 INFO L276 IsEmpty]: Start isEmpty. Operand 6358 states and 9899 transitions. [2021-12-22 14:50:43,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-22 14:50:43,255 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:50:43,255 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:50:43,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 14:50:43,256 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:50:43,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:50:43,256 INFO L85 PathProgramCache]: Analyzing trace with hash -530907484, now seen corresponding path program 1 times [2021-12-22 14:50:43,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:50:43,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348869941] [2021-12-22 14:50:43,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:50:43,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:50:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:50:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:50:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:50:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:50:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:50:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:50:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-12-22 14:50:43,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:50:43,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348869941] [2021-12-22 14:50:43,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348869941] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:50:43,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:50:43,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:50:43,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226434059] [2021-12-22 14:50:43,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:50:43,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:50:43,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:50:43,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:50:43,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:50:43,439 INFO L87 Difference]: Start difference. First operand 6358 states and 9899 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:51,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:50:51,278 INFO L93 Difference]: Finished difference Result 6768 states and 10663 transitions. [2021-12-22 14:50:51,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:50:51,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 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 118 [2021-12-22 14:50:51,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:50:51,317 INFO L225 Difference]: With dead ends: 6768 [2021-12-22 14:50:51,318 INFO L226 Difference]: Without dead ends: 6735 [2021-12-22 14:50:51,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:50:51,343 INFO L933 BasicCegarLoop]: 2058 mSDtfsCounter, 3002 mSDsluCounter, 2264 mSDsCounter, 0 mSdLazyCounter, 2301 mSolverCounterSat, 1263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 4322 SdHoareTripleChecker+Invalid, 3564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1263 IncrementalHoareTripleChecker+Valid, 2301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-12-22 14:50:51,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3209 Valid, 4322 Invalid, 3564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1263 Valid, 2301 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-12-22 14:50:51,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6735 states. [2021-12-22 14:50:51,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6735 to 6327. [2021-12-22 14:50:51,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6327 states, 4464 states have (on average 1.38328853046595) internal successors, (6175), 4695 states have internal predecessors, (6175), 1449 states have call successors, (1449), 357 states have call predecessors, (1449), 413 states have return successors, (2205), 1383 states have call predecessors, (2205), 1446 states have call successors, (2205) [2021-12-22 14:50:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6327 states to 6327 states and 9829 transitions. [2021-12-22 14:50:51,550 INFO L78 Accepts]: Start accepts. Automaton has 6327 states and 9829 transitions. Word has length 118 [2021-12-22 14:50:51,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:50:51,551 INFO L470 AbstractCegarLoop]: Abstraction has 6327 states and 9829 transitions. [2021-12-22 14:50:51,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 14:50:51,551 INFO L276 IsEmpty]: Start isEmpty. Operand 6327 states and 9829 transitions. [2021-12-22 14:50:51,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-22 14:50:51,560 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:50:51,561 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 14:50:51,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 14:50:51,561 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:50:51,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:50:51,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1173826115, now seen corresponding path program 1 times [2021-12-22 14:50:51,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:50:51,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366695472] [2021-12-22 14:50:51,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:50:51,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:50:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:50:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:50:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:50:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:50:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:50:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:50:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:50:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-22 14:50:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:50:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-22 14:50:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 14:50:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-22 14:50:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 14:50:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:50:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:50:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:50:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-12-22 14:50:51,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:50:51,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366695472] [2021-12-22 14:50:51,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366695472] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:50:51,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:50:51,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 14:50:51,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728643382] [2021-12-22 14:50:51,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:50:51,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:50:51,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:50:51,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:50:51,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:50:51,849 INFO L87 Difference]: Start difference. First operand 6327 states and 9829 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 3 states have internal predecessors, (89), 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)