./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.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 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:38:16,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:38:16,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:38:16,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:38:16,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:38:16,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:38:16,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:38:16,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:38:16,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:38:16,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:38:16,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:38:16,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:38:16,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:38:16,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:38:16,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:38:16,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:38:16,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:38:16,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:38:16,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:38:16,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:38:16,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:38:16,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:38:16,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:38:16,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:38:16,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:38:16,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:38:16,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:38:16,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:38:16,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:38:16,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:38:16,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:38:16,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:38:16,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:38:16,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:38:16,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:38:16,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:38:16,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:38:16,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:38:16,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:38:16,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:38:16,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:38:16,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:38:16,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:38:16,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:38:16,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:38:16,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:38:16,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:38:16,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:38:16,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:38:16,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:38:16,493 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:38:16,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:38:16,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:38:16,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:38:16,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:38:16,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:38:16,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:38:16,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:38:16,494 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:38:16,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:38:16,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:38:16,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:38:16,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:38:16,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:38:16,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:38:16,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:38:16,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:38:16,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:38:16,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:38:16,497 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:38:16,497 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:38:16,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:38:16,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:38:16,497 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b [2021-12-22 15:38:16,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:38:16,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:38:16,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:38:16,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:38:16,737 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:38:16,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-22 15:38:16,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67e8dbe4/3e5ebe2ff7a54cc5aff8bef45bedd5e5/FLAG8a9622779 [2021-12-22 15:38:17,430 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:38:17,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-22 15:38:17,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67e8dbe4/3e5ebe2ff7a54cc5aff8bef45bedd5e5/FLAG8a9622779 [2021-12-22 15:38:17,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d67e8dbe4/3e5ebe2ff7a54cc5aff8bef45bedd5e5 [2021-12-22 15:38:17,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:38:17,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:38:17,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:38:17,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:38:17,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:38:17,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:38:17" (1/1) ... [2021-12-22 15:38:17,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168f001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:17, skipping insertion in model container [2021-12-22 15:38:17,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:38:17" (1/1) ... [2021-12-22 15:38:17,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:38:17,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:38:19,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2021-12-22 15:38:19,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2021-12-22 15:38:19,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:38:19,508 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:38:19,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2021-12-22 15:38:19,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2021-12-22 15:38:19,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:38:19,852 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:38:19,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19 WrapperNode [2021-12-22 15:38:19,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:38:19,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:38:19,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:38:19,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:38:19,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19" (1/1) ... [2021-12-22 15:38:19,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19" (1/1) ... [2021-12-22 15:38:20,044 INFO L137 Inliner]: procedures = 379, calls = 2098, calls flagged for inlining = 146, calls inlined = 127, statements flattened = 4154 [2021-12-22 15:38:20,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:38:20,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:38:20,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:38:20,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:38:20,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19" (1/1) ... [2021-12-22 15:38:20,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19" (1/1) ... [2021-12-22 15:38:20,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19" (1/1) ... [2021-12-22 15:38:20,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19" (1/1) ... [2021-12-22 15:38:20,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19" (1/1) ... [2021-12-22 15:38:20,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19" (1/1) ... [2021-12-22 15:38:20,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19" (1/1) ... [2021-12-22 15:38:20,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:38:20,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:38:20,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:38:20,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:38:20,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19" (1/1) ... [2021-12-22 15:38:20,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:38:20,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:38:20,252 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 15:38:20,270 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 15:38:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-12-22 15:38:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-12-22 15:38:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2021-12-22 15:38:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2021-12-22 15:38:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:38:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:38:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:38:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:38:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:38:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:38:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2021-12-22 15:38:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2021-12-22 15:38:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2021-12-22 15:38:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2021-12-22 15:38:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2021-12-22 15:38:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2021-12-22 15:38:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:38:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:38:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:38:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:38:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-22 15:38:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-22 15:38:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2021-12-22 15:38:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2021-12-22 15:38:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:38:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:38:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2021-12-22 15:38:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2021-12-22 15:38:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2021-12-22 15:38:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2021-12-22 15:38:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2021-12-22 15:38:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2021-12-22 15:38:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2021-12-22 15:38:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2021-12-22 15:38:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:38:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:38:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2021-12-22 15:38:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2021-12-22 15:38:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-22 15:38:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-22 15:38:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2021-12-22 15:38:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2021-12-22 15:38:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:38:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:38:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:38:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:38:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:38:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:38:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2021-12-22 15:38:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2021-12-22 15:38:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2021-12-22 15:38:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2021-12-22 15:38:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-22 15:38:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-22 15:38:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:38:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:38:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2021-12-22 15:38:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2021-12-22 15:38:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:38:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:38:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2021-12-22 15:38:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2021-12-22 15:38:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2021-12-22 15:38:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2021-12-22 15:38:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-22 15:38:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-22 15:38:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:38:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:38:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-22 15:38:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-22 15:38:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2021-12-22 15:38:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2021-12-22 15:38:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:38:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:38:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-22 15:38:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-22 15:38:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:38:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:38:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:38:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:38:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:38:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:38:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2021-12-22 15:38:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2021-12-22 15:38:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2021-12-22 15:38:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2021-12-22 15:38:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:38:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:38:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:38:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2021-12-22 15:38:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2021-12-22 15:38:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2021-12-22 15:38:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2021-12-22 15:38:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2021-12-22 15:38:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2021-12-22 15:38:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:38:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:38:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:38:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2021-12-22 15:38:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2021-12-22 15:38:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 15:38:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 15:38:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2021-12-22 15:38:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2021-12-22 15:38:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:38:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 15:38:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 15:38:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:38:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:38:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:38:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:38:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:38:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:38:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2021-12-22 15:38:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2021-12-22 15:38:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:38:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:38:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:38:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:38:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:38:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:38:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2021-12-22 15:38:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2021-12-22 15:38:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-22 15:38:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-22 15:38:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:38:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-22 15:38:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-22 15:38:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2021-12-22 15:38:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2021-12-22 15:38:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-22 15:38:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-22 15:38:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:38:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:38:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2021-12-22 15:38:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2021-12-22 15:38:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2021-12-22 15:38:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2021-12-22 15:38:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2021-12-22 15:38:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2021-12-22 15:38:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:38:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2021-12-22 15:38:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2021-12-22 15:38:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2021-12-22 15:38:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2021-12-22 15:38:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:38:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:38:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:38:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:38:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:38:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:38:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:38:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:38:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:38:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:38:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2021-12-22 15:38:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2021-12-22 15:38:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2021-12-22 15:38:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2021-12-22 15:38:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:38:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:38:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-22 15:38:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-22 15:38:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2021-12-22 15:38:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2021-12-22 15:38:20,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:38:20,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2021-12-22 15:38:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2021-12-22 15:38:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:38:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:38:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2021-12-22 15:38:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2021-12-22 15:38:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:38:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:38:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2021-12-22 15:38:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-22 15:38:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-22 15:38:20,344 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-22 15:38:20,344 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2021-12-22 15:38:20,345 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2021-12-22 15:38:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:38:20,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:38:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2021-12-22 15:38:20,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2021-12-22 15:38:20,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:38:20,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:38:20,789 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:38:20,794 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:38:20,992 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:38:23,646 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:38:23,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:38:23,659 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:38:23,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:38:23 BoogieIcfgContainer [2021-12-22 15:38:23,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:38:23,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:38:23,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:38:23,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:38:23,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:38:17" (1/3) ... [2021-12-22 15:38:23,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77dade51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:38:23, skipping insertion in model container [2021-12-22 15:38:23,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:38:19" (2/3) ... [2021-12-22 15:38:23,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77dade51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:38:23, skipping insertion in model container [2021-12-22 15:38:23,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:38:23" (3/3) ... [2021-12-22 15:38:23,668 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-22 15:38:23,672 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:38:23,672 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:38:23,708 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:38:23,713 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 15:38:23,713 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:38:23,783 INFO L276 IsEmpty]: Start isEmpty. Operand has 1819 states, 1086 states have (on average 1.2587476979742174) internal successors, (1367), 1117 states have internal predecessors, (1367), 641 states have call successors, (641), 91 states have call predecessors, (641), 90 states have return successors, (638), 626 states have call predecessors, (638), 638 states have call successors, (638) [2021-12-22 15:38:23,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-22 15:38:23,800 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:38:23,801 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:38:23,801 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:38:23,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:38:23,807 INFO L85 PathProgramCache]: Analyzing trace with hash 610246065, now seen corresponding path program 1 times [2021-12-22 15:38:23,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:38:23,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131811240] [2021-12-22 15:38:23,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:38:23,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:38:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:38:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:38:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 15:38:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 15:38:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:38:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:38:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:38:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:38:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 15:38:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:38:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 15:38:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:38:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-22 15:38:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 15:38:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-22 15:38:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:38:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:38:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:38:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:38:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:38:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-22 15:38:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-22 15:38:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-22 15:38:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-22 15:38:24,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:38:24,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131811240] [2021-12-22 15:38:24,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131811240] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:38:24,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:38:24,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:38:24,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754599751] [2021-12-22 15:38:24,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:38:24,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:38:24,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:38:24,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:38:24,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:38:24,916 INFO L87 Difference]: Start difference. First operand has 1819 states, 1086 states have (on average 1.2587476979742174) internal successors, (1367), 1117 states have internal predecessors, (1367), 641 states have call successors, (641), 91 states have call predecessors, (641), 90 states have return successors, (638), 626 states have call predecessors, (638), 638 states have call successors, (638) Second operand has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-22 15:38:28,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:38:35,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:38:35,832 INFO L93 Difference]: Finished difference Result 3976 states and 5844 transitions. [2021-12-22 15:38:35,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:38:35,835 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 301 [2021-12-22 15:38:35,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:38:35,868 INFO L225 Difference]: With dead ends: 3976 [2021-12-22 15:38:35,869 INFO L226 Difference]: Without dead ends: 2100 [2021-12-22 15:38:35,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-22 15:38:35,886 INFO L933 BasicCegarLoop]: 2313 mSDtfsCounter, 4124 mSDsluCounter, 3271 mSDsCounter, 0 mSdLazyCounter, 6463 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4351 SdHoareTripleChecker+Valid, 5584 SdHoareTripleChecker+Invalid, 10961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:38:35,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4351 Valid, 5584 Invalid, 10961 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6463 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2021-12-22 15:38:35,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-12-22 15:38:36,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1762. [2021-12-22 15:38:36,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1057 states have (on average 1.2563859981078525) internal successors, (1328), 1086 states have internal predecessors, (1328), 615 states have call successors, (615), 89 states have call predecessors, (615), 89 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2021-12-22 15:38:36,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2558 transitions. [2021-12-22 15:38:36,061 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2558 transitions. Word has length 301 [2021-12-22 15:38:36,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:38:36,064 INFO L470 AbstractCegarLoop]: Abstraction has 1762 states and 2558 transitions. [2021-12-22 15:38:36,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-22 15:38:36,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2558 transitions. [2021-12-22 15:38:36,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-22 15:38:36,073 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:38:36,073 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:38:36,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:38:36,074 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:38:36,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:38:36,074 INFO L85 PathProgramCache]: Analyzing trace with hash -553886623, now seen corresponding path program 1 times [2021-12-22 15:38:36,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:38:36,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883234452] [2021-12-22 15:38:36,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:38:36,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:38:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:38:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:38:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 15:38:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 15:38:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:38:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:38:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:38:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:38:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 15:38:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:38:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 15:38:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:38:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-22 15:38:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 15:38:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-22 15:38:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:38:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:38:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:38:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:38:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:38:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-22 15:38:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-22 15:38:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-22 15:38:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-22 15:38:36,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:38:36,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883234452] [2021-12-22 15:38:36,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883234452] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:38:36,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:38:36,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:38:36,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793384322] [2021-12-22 15:38:36,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:38:36,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:38:36,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:38:36,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:38:36,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:38:36,636 INFO L87 Difference]: Start difference. First operand 1762 states and 2558 transitions. Second operand has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-22 15:38:44,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:38:44,987 INFO L93 Difference]: Finished difference Result 3843 states and 5626 transitions. [2021-12-22 15:38:44,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:38:44,988 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 302 [2021-12-22 15:38:44,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:38:45,002 INFO L225 Difference]: With dead ends: 3843 [2021-12-22 15:38:45,002 INFO L226 Difference]: Without dead ends: 2100 [2021-12-22 15:38:45,058 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-22 15:38:45,059 INFO L933 BasicCegarLoop]: 2212 mSDtfsCounter, 4039 mSDsluCounter, 3037 mSDsCounter, 0 mSdLazyCounter, 6253 mSolverCounterSat, 4333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4256 SdHoareTripleChecker+Valid, 5249 SdHoareTripleChecker+Invalid, 10586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4333 IncrementalHoareTripleChecker+Valid, 6253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:38:45,059 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4256 Valid, 5249 Invalid, 10586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4333 Valid, 6253 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2021-12-22 15:38:45,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-12-22 15:38:45,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1762. [2021-12-22 15:38:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1057 states have (on average 1.2554399243140966) internal successors, (1327), 1086 states have internal predecessors, (1327), 615 states have call successors, (615), 89 states have call predecessors, (615), 89 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2021-12-22 15:38:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2557 transitions. [2021-12-22 15:38:45,133 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2557 transitions. Word has length 302 [2021-12-22 15:38:45,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:38:45,134 INFO L470 AbstractCegarLoop]: Abstraction has 1762 states and 2557 transitions. [2021-12-22 15:38:45,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-22 15:38:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2557 transitions. [2021-12-22 15:38:45,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-22 15:38:45,139 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:38:45,140 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:38:45,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:38:45,140 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:38:45,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:38:45,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1432528213, now seen corresponding path program 1 times [2021-12-22 15:38:45,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:38:45,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205084329] [2021-12-22 15:38:45,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:38:45,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:38:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:38:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:38:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 15:38:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 15:38:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:38:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:38:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-22 15:38:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 15:38:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-22 15:38:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:38:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-22 15:38:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:38:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-22 15:38:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-22 15:38:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-22 15:38:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 15:38:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-22 15:38:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-22 15:38:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-22 15:38:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:38:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:38:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-22 15:38:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-22 15:38:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-22 15:38:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-22 15:38:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-22 15:38:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-22 15:38:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:45,601 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2021-12-22 15:38:45,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:38:45,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205084329] [2021-12-22 15:38:45,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205084329] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:38:45,601 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:38:45,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:38:45,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846134632] [2021-12-22 15:38:45,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:38:45,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:38:45,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:38:45,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:38:45,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:38:45,603 INFO L87 Difference]: Start difference. First operand 1762 states and 2557 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-22 15:38:53,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:38:53,671 INFO L93 Difference]: Finished difference Result 5111 states and 7411 transitions. [2021-12-22 15:38:53,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:38:53,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 278 [2021-12-22 15:38:53,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:38:53,710 INFO L225 Difference]: With dead ends: 5111 [2021-12-22 15:38:53,727 INFO L226 Difference]: Without dead ends: 3368 [2021-12-22 15:38:53,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:38:53,756 INFO L933 BasicCegarLoop]: 2311 mSDtfsCounter, 4950 mSDsluCounter, 2644 mSDsCounter, 0 mSdLazyCounter, 3135 mSolverCounterSat, 5620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5446 SdHoareTripleChecker+Valid, 4955 SdHoareTripleChecker+Invalid, 8755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5620 IncrementalHoareTripleChecker+Valid, 3135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:38:53,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5446 Valid, 4955 Invalid, 8755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5620 Valid, 3135 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2021-12-22 15:38:53,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2021-12-22 15:38:53,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3250. [2021-12-22 15:38:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 1952 states have (on average 1.2592213114754098) internal successors, (2458), 2006 states have internal predecessors, (2458), 1125 states have call successors, (1125), 171 states have call predecessors, (1125), 172 states have return successors, (1129), 1102 states have call predecessors, (1129), 1125 states have call successors, (1129) [2021-12-22 15:38:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4712 transitions. [2021-12-22 15:38:53,937 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4712 transitions. Word has length 278 [2021-12-22 15:38:53,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:38:53,938 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 4712 transitions. [2021-12-22 15:38:53,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-22 15:38:53,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4712 transitions. [2021-12-22 15:38:53,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-12-22 15:38:53,943 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:38:53,943 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:38:53,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:38:53,944 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:38:53,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:38:53,945 INFO L85 PathProgramCache]: Analyzing trace with hash 2127222317, now seen corresponding path program 1 times [2021-12-22 15:38:53,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:38:53,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44530895] [2021-12-22 15:38:53,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:38:53,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:38:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:38:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:38:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 15:38:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 15:38:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:38:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:38:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:38:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:38:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 15:38:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:38:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 15:38:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:38:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-22 15:38:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 15:38:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-22 15:38:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:38:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:38:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:38:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:38:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:38:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:38:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-22 15:38:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-22 15:38:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:38:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:38:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-22 15:38:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:38:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-22 15:38:54,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:38:54,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44530895] [2021-12-22 15:38:54,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44530895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:38:54,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:38:54,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:38:54,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983405797] [2021-12-22 15:38:54,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:38:54,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:38:54,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:38:54,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:38:54,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:38:54,386 INFO L87 Difference]: Start difference. First operand 3250 states and 4712 transitions. Second operand has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-22 15:38:56,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:38:57,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:38:59,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:39:05,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:39:05,932 INFO L93 Difference]: Finished difference Result 7016 states and 10252 transitions. [2021-12-22 15:39:05,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:39:05,933 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 303 [2021-12-22 15:39:05,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:39:05,964 INFO L225 Difference]: With dead ends: 7016 [2021-12-22 15:39:05,965 INFO L226 Difference]: Without dead ends: 3785 [2021-12-22 15:39:05,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-22 15:39:05,989 INFO L933 BasicCegarLoop]: 2215 mSDtfsCounter, 5440 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 6258 mSolverCounterSat, 5768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5658 SdHoareTripleChecker+Valid, 5259 SdHoareTripleChecker+Invalid, 12026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5768 IncrementalHoareTripleChecker+Valid, 6258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:39:05,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5658 Valid, 5259 Invalid, 12026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5768 Valid, 6258 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2021-12-22 15:39:05,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2021-12-22 15:39:06,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3250. [2021-12-22 15:39:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 1952 states have (on average 1.2581967213114753) internal successors, (2456), 2006 states have internal predecessors, (2456), 1125 states have call successors, (1125), 171 states have call predecessors, (1125), 172 states have return successors, (1129), 1102 states have call predecessors, (1129), 1125 states have call successors, (1129) [2021-12-22 15:39:06,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4710 transitions. [2021-12-22 15:39:06,205 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4710 transitions. Word has length 303 [2021-12-22 15:39:06,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:39:06,207 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 4710 transitions. [2021-12-22 15:39:06,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-22 15:39:06,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4710 transitions. [2021-12-22 15:39:06,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-22 15:39:06,274 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:39:06,274 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:39:06,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:39:06,274 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:39:06,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:39:06,275 INFO L85 PathProgramCache]: Analyzing trace with hash -543229859, now seen corresponding path program 1 times [2021-12-22 15:39:06,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:39:06,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151500565] [2021-12-22 15:39:06,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:39:06,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:39:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:39:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:39:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:39:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:39:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:39:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 15:39:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:39:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:39:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 15:39:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:39:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:39:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:39:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:39:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:39:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:39:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 15:39:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:39:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 15:39:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:39:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-22 15:39:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 15:39:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-22 15:39:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:39:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:39:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:39:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:39:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:39:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:39:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:39:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-22 15:39:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-22 15:39:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:39:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-22 15:39:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-22 15:39:06,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:39:06,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151500565] [2021-12-22 15:39:06,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151500565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:39:06,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:39:06,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:39:06,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027246467] [2021-12-22 15:39:06,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:39:06,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:39:06,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:39:06,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:39:06,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:39:06,682 INFO L87 Difference]: Start difference. First operand 3250 states and 4710 transitions. Second operand has 9 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-22 15:39:09,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:39:10,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:39:18,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:39:18,085 INFO L93 Difference]: Finished difference Result 7016 states and 10248 transitions. [2021-12-22 15:39:18,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:39:18,086 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 304 [2021-12-22 15:39:18,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:39:18,116 INFO L225 Difference]: With dead ends: 7016 [2021-12-22 15:39:18,116 INFO L226 Difference]: Without dead ends: 3785 [2021-12-22 15:39:18,136 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-22 15:39:18,137 INFO L933 BasicCegarLoop]: 2217 mSDtfsCounter, 5435 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 6266 mSolverCounterSat, 5761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5651 SdHoareTripleChecker+Valid, 5263 SdHoareTripleChecker+Invalid, 12027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5761 IncrementalHoareTripleChecker+Valid, 6266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:39:18,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5651 Valid, 5263 Invalid, 12027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5761 Valid, 6266 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2021-12-22 15:39:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2021-12-22 15:39:18,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3250. [2021-12-22 15:39:18,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 1952 states have (on average 1.257172131147541) internal successors, (2454), 2006 states have internal predecessors, (2454), 1125 states have call successors, (1125), 171 states have call predecessors, (1125), 172 states have return successors, (1129), 1102 states have call predecessors, (1129), 1125 states have call successors, (1129) [2021-12-22 15:39:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4708 transitions. [2021-12-22 15:39:18,431 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4708 transitions. Word has length 304 [2021-12-22 15:39:18,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:39:18,432 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 4708 transitions. [2021-12-22 15:39:18,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-22 15:39:18,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4708 transitions. [2021-12-22 15:39:18,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-12-22 15:39:18,439 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:39:18,439 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:39:18,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 15:39:18,440 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:39:18,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:39:18,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1608352087, now seen corresponding path program 1 times [2021-12-22 15:39:18,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:39:18,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126617636] [2021-12-22 15:39:18,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:39:18,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:39:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:39:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 15:39:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:39:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:39:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:39:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-22 15:39:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:39:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:39:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 15:39:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:39:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:39:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:39:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 15:39:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 15:39:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:39:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-22 15:39:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-22 15:39:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 15:39:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:39:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-22 15:39:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-22 15:39:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-22 15:39:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:39:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:39:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:39:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:39:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:39:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:39:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:39:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-22 15:39:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-22 15:39:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:39:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:39:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-22 15:39:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:39:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-22 15:39:18,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:39:18,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126617636] [2021-12-22 15:39:18,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126617636] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:39:18,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:39:18,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-22 15:39:18,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353995589] [2021-12-22 15:39:18,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:39:18,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-22 15:39:18,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:39:18,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-22 15:39:18,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:39:18,893 INFO L87 Difference]: Start difference. First operand 3250 states and 4708 transitions. Second operand has 9 states, 8 states have (on average 14.125) internal successors, (113), 6 states have internal predecessors, (113), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32)