./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 f4b24e32 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-?-f4b24e3 [2022-07-14 03:21:01,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:21:01,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:21:01,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:21:01,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:21:01,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:21:01,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:21:01,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:21:01,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:21:01,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:21:01,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:21:01,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:21:01,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:21:01,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:21:01,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:21:01,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:21:01,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:21:01,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:21:01,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:21:01,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:21:01,701 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:21:01,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:21:01,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:21:01,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:21:01,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:21:01,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:21:01,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:21:01,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:21:01,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:21:01,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:21:01,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:21:01,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:21:01,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:21:01,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:21:01,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:21:01,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:21:01,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:21:01,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:21:01,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:21:01,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:21:01,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:21:01,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:21:01,724 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:21:01,752 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:21:01,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:21:01,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:21:01,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:21:01,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:21:01,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:21:01,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:21:01,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:21:01,756 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:21:01,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:21:01,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:21:01,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:21:01,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:21:01,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:21:01,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:21:01,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:21:01,759 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:21:01,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:21:01,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:21:01,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:21:01,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:21:01,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:21:01,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:21:01,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:21:01,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:21:01,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:21:01,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:21:01,761 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:21:01,761 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:21:01,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:21:01,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b [2022-07-14 03:21:02,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:21:02,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:21:02,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:21:02,069 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:21:02,070 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:21:02,071 INFO L432 ainManager$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 [2022-07-14 03:21:02,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bef7b37c/6bff3b6466ca42de9b7a18e2b1c84563/FLAG0dc0c427c [2022-07-14 03:21:02,864 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:21:02,865 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 [2022-07-14 03:21:02,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bef7b37c/6bff3b6466ca42de9b7a18e2b1c84563/FLAG0dc0c427c [2022-07-14 03:21:03,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bef7b37c/6bff3b6466ca42de9b7a18e2b1c84563 [2022-07-14 03:21:03,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:21:03,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:21:03,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:21:03,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:21:03,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:21:03,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:21:03" (1/1) ... [2022-07-14 03:21:03,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2c178b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:03, skipping insertion in model container [2022-07-14 03:21:03,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:21:03" (1/1) ... [2022-07-14 03:21:03,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:21:03,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:21:06,265 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] [2022-07-14 03:21:06,274 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] [2022-07-14 03:21:06,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:21:06,340 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:21:06,662 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] [2022-07-14 03:21:06,663 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] [2022-07-14 03:21:06,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:21:06,794 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:21:06,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06 WrapperNode [2022-07-14 03:21:06,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:21:06,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:21:06,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:21:06,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:21:06,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06" (1/1) ... [2022-07-14 03:21:06,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06" (1/1) ... [2022-07-14 03:21:07,026 INFO L137 Inliner]: procedures = 379, calls = 2098, calls flagged for inlining = 146, calls inlined = 127, statements flattened = 4220 [2022-07-14 03:21:07,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:21:07,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:21:07,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:21:07,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:21:07,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06" (1/1) ... [2022-07-14 03:21:07,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06" (1/1) ... [2022-07-14 03:21:07,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06" (1/1) ... [2022-07-14 03:21:07,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06" (1/1) ... [2022-07-14 03:21:07,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06" (1/1) ... [2022-07-14 03:21:07,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06" (1/1) ... [2022-07-14 03:21:07,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06" (1/1) ... [2022-07-14 03:21:07,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:21:07,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:21:07,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:21:07,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:21:07,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06" (1/1) ... [2022-07-14 03:21:07,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:21:07,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:21:07,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 03:21:07,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 03:21:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-07-14 03:21:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-07-14 03:21:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-07-14 03:21:07,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-07-14 03:21:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:21:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:21:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:21:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:21:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:21:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:21:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-07-14 03:21:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-07-14 03:21:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-07-14 03:21:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-07-14 03:21:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-07-14 03:21:07,359 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-07-14 03:21:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 03:21:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 03:21:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:21:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:21:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-14 03:21:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-14 03:21:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-07-14 03:21:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-07-14 03:21:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 03:21:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 03:21:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-07-14 03:21:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-07-14 03:21:07,361 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2022-07-14 03:21:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2022-07-14 03:21:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-07-14 03:21:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-07-14 03:21:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-07-14 03:21:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-07-14 03:21:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 03:21:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 03:21:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-07-14 03:21:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-07-14 03:21:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-07-14 03:21:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-07-14 03:21:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-07-14 03:21:07,363 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-07-14 03:21:07,363 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 03:21:07,364 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 03:21:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:21:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:21:07,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:21:07,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:21:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-07-14 03:21:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-07-14 03:21:07,365 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-07-14 03:21:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-07-14 03:21:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-14 03:21:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-14 03:21:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:21:07,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:21:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-07-14 03:21:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-07-14 03:21:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:21:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:21:07,368 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-07-14 03:21:07,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-07-14 03:21:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-07-14 03:21:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-07-14 03:21:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-14 03:21:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-14 03:21:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 03:21:07,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 03:21:07,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-14 03:21:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-14 03:21:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-07-14 03:21:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-07-14 03:21:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 03:21:07,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 03:21:07,370 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-14 03:21:07,371 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-14 03:21:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 03:21:07,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 03:21:07,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:21:07,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:21:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 03:21:07,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 03:21:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-07-14 03:21:07,372 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-07-14 03:21:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-07-14 03:21:07,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-07-14 03:21:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 03:21:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:21:07,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:21:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-07-14 03:21:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-07-14 03:21:07,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-07-14 03:21:07,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-07-14 03:21:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-07-14 03:21:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-07-14 03:21:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 03:21:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:21:07,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:21:07,375 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-07-14 03:21:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-07-14 03:21:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 03:21:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 03:21:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-07-14 03:21:07,376 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-07-14 03:21:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 03:21:07,376 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 03:21:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 03:21:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 03:21:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 03:21:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 03:21:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 03:21:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:21:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:21:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-07-14 03:21:07,378 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-07-14 03:21:07,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:21:07,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:21:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:21:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:21:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 03:21:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 03:21:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-07-14 03:21:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-07-14 03:21:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 03:21:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 03:21:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 03:21:07,389 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-14 03:21:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-14 03:21:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-07-14 03:21:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-07-14 03:21:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-14 03:21:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-14 03:21:07,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:21:07,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:21:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-07-14 03:21:07,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-07-14 03:21:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-07-14 03:21:07,391 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-07-14 03:21:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-07-14 03:21:07,391 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-07-14 03:21:07,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:21:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-07-14 03:21:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-07-14 03:21:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-07-14 03:21:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-07-14 03:21:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:21:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:21:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:21:07,392 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:21:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:21:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:21:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:21:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:21:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 03:21:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 03:21:07,393 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-07-14 03:21:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-07-14 03:21:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-07-14 03:21:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-07-14 03:21:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:21:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:21:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 03:21:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 03:21:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-07-14 03:21:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-07-14 03:21:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:21:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:21:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-07-14 03:21:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-07-14 03:21:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-07-14 03:21:07,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-07-14 03:21:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 03:21:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 03:21:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:21:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:21:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-07-14 03:21:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-07-14 03:21:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-07-14 03:21:07,396 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-07-14 03:21:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 03:21:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 03:21:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 03:21:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 03:21:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-07-14 03:21:07,397 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-07-14 03:21:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-14 03:21:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-14 03:21:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 03:21:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-14 03:21:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-14 03:21:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-07-14 03:21:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-07-14 03:21:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:21:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:21:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-07-14 03:21:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-07-14 03:21:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:21:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:21:08,086 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:21:08,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:21:08,298 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:21:11,872 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:21:11,897 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:21:11,897 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 03:21:11,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:21:11 BoogieIcfgContainer [2022-07-14 03:21:11,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:21:11,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:21:11,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:21:11,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:21:11,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:21:03" (1/3) ... [2022-07-14 03:21:11,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7c15c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:21:11, skipping insertion in model container [2022-07-14 03:21:11,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:21:06" (2/3) ... [2022-07-14 03:21:11,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7c15c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:21:11, skipping insertion in model container [2022-07-14 03:21:11,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:21:11" (3/3) ... [2022-07-14 03:21:11,911 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2022-07-14 03:21:11,929 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:21:11,929 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 03:21:12,031 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:21:12,037 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6d0e47f5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@42fa40c9 [2022-07-14 03:21:12,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 03:21:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 1890 states, 1157 states have (on average 1.2947277441659464) internal successors, (1498), 1188 states have internal predecessors, (1498), 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) [2022-07-14 03:21:12,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-14 03:21:12,089 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:21:12,090 INFO L195 NwaCegarLoop]: 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] [2022-07-14 03:21:12,091 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:21:12,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:21:12,096 INFO L85 PathProgramCache]: Analyzing trace with hash 792279208, now seen corresponding path program 1 times [2022-07-14 03:21:12,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:21:12,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097121245] [2022-07-14 03:21:12,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:21:12,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:21:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:12,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:21:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:12,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:21:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:12,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:21:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:21:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:21:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 03:21:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 03:21:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:21:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:21:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:21:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 03:21:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:21:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 03:21:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 03:21:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:21:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:21:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 03:21:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 03:21:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 03:21:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:21:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:21:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 03:21:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 03:21:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-14 03:21:13,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:21:13,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097121245] [2022-07-14 03:21:13,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097121245] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:21:13,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:21:13,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:21:13,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019798676] [2022-07-14 03:21:13,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:21:13,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:21:13,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:21:13,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:21:13,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:21:13,407 INFO L87 Difference]: Start difference. First operand has 1890 states, 1157 states have (on average 1.2947277441659464) internal successors, (1498), 1188 states have internal predecessors, (1498), 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 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-14 03:21:21,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:21:30,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:21:30,481 INFO L93 Difference]: Finished difference Result 6103 states and 9246 transitions. [2022-07-14 03:21:30,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 03:21:30,483 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 301 [2022-07-14 03:21:30,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:21:30,532 INFO L225 Difference]: With dead ends: 6103 [2022-07-14 03:21:30,532 INFO L226 Difference]: Without dead ends: 4135 [2022-07-14 03:21:30,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-07-14 03:21:30,557 INFO L413 NwaCegarLoop]: 2692 mSDtfsCounter, 6468 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5566 mSolverCounterSat, 7469 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6801 SdHoareTripleChecker+Valid, 5404 SdHoareTripleChecker+Invalid, 13036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7469 IncrementalHoareTripleChecker+Valid, 5566 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:21:30,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6801 Valid, 5404 Invalid, 13036 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7469 Valid, 5566 Invalid, 1 Unknown, 0 Unchecked, 16.1s Time] [2022-07-14 03:21:30,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4135 states. [2022-07-14 03:21:30,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4135 to 3641. [2022-07-14 03:21:30,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2427227944469323) internal successors, (2775), 2291 states have internal predecessors, (2775), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1255), 1205 states have call predecessors, (1255), 1229 states have call successors, (1255) [2022-07-14 03:21:30,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5259 transitions. [2022-07-14 03:21:30,976 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5259 transitions. Word has length 301 [2022-07-14 03:21:30,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:21:30,977 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5259 transitions. [2022-07-14 03:21:30,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-14 03:21:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5259 transitions. [2022-07-14 03:21:30,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-14 03:21:30,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:21:30,992 INFO L195 NwaCegarLoop]: 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] [2022-07-14 03:21:30,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 03:21:30,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:21:30,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:21:30,994 INFO L85 PathProgramCache]: Analyzing trace with hash 400395364, now seen corresponding path program 1 times [2022-07-14 03:21:30,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:21:30,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708887819] [2022-07-14 03:21:30,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:21:30,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:21:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:21:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:21:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:21:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:21:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:21:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 03:21:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 03:21:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:21:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:21:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:21:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 03:21:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:21:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 03:21:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 03:21:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:21:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:21:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 03:21:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 03:21:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 03:21:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:21:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:21:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 03:21:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 03:21:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-14 03:21:31,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:21:31,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708887819] [2022-07-14 03:21:31,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708887819] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:21:31,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:21:31,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:21:31,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146481253] [2022-07-14 03:21:31,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:21:31,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:21:31,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:21:31,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:21:31,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:21:31,633 INFO L87 Difference]: Start difference. First operand 3641 states and 5259 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-14 03:21:46,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:21:46,893 INFO L93 Difference]: Finished difference Result 5949 states and 8601 transitions. [2022-07-14 03:21:46,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 03:21:46,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 301 [2022-07-14 03:21:46,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:21:46,928 INFO L225 Difference]: With dead ends: 5949 [2022-07-14 03:21:46,928 INFO L226 Difference]: Without dead ends: 4135 [2022-07-14 03:21:46,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-07-14 03:21:46,943 INFO L413 NwaCegarLoop]: 3953 mSDtfsCounter, 4504 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 5777 mSolverCounterSat, 5657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4828 SdHoareTripleChecker+Valid, 7633 SdHoareTripleChecker+Invalid, 11434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5657 IncrementalHoareTripleChecker+Valid, 5777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:21:46,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4828 Valid, 7633 Invalid, 11434 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5657 Valid, 5777 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2022-07-14 03:21:46,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4135 states. [2022-07-14 03:21:47,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4135 to 3641. [2022-07-14 03:21:47,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2369010300044783) internal successors, (2762), 2291 states have internal predecessors, (2762), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-14 03:21:47,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5220 transitions. [2022-07-14 03:21:47,225 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5220 transitions. Word has length 301 [2022-07-14 03:21:47,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:21:47,226 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5220 transitions. [2022-07-14 03:21:47,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-14 03:21:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5220 transitions. [2022-07-14 03:21:47,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-14 03:21:47,239 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:21:47,239 INFO L195 NwaCegarLoop]: 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] [2022-07-14 03:21:47,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 03:21:47,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:21:47,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:21:47,240 INFO L85 PathProgramCache]: Analyzing trace with hash -606674394, now seen corresponding path program 1 times [2022-07-14 03:21:47,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:21:47,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563560111] [2022-07-14 03:21:47,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:21:47,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:21:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:21:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:21:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:21:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:21:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:21:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 03:21:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 03:21:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:21:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:21:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:21:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 03:21:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:21:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 03:21:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 03:21:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:21:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:21:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:21:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 03:21:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 03:21:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 03:21:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:21:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:21:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 03:21:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:21:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:21:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 03:21:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:21:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-14 03:21:47,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:21:47,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563560111] [2022-07-14 03:21:47,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563560111] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:21:47,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:21:47,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 03:21:47,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461811688] [2022-07-14 03:21:47,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:21:47,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 03:21:47,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:21:47,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 03:21:47,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-14 03:21:47,987 INFO L87 Difference]: Start difference. First operand 3641 states and 5220 transitions. 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) [2022-07-14 03:21:51,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:21:59,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:21:59,838 INFO L93 Difference]: Finished difference Result 7972 states and 11519 transitions. [2022-07-14 03:21:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:21:59,840 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 [2022-07-14 03:21:59,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:21:59,873 INFO L225 Difference]: With dead ends: 7972 [2022-07-14 03:21:59,874 INFO L226 Difference]: Without dead ends: 4365 [2022-07-14 03:21:59,900 INFO L412 NwaCegarLoop]: 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 [2022-07-14 03:21:59,901 INFO L413 NwaCegarLoop]: 2335 mSDtfsCounter, 4339 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6433 mSolverCounterSat, 4333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4556 SdHoareTripleChecker+Valid, 5599 SdHoareTripleChecker+Invalid, 10766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4333 IncrementalHoareTripleChecker+Valid, 6433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:21:59,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4556 Valid, 5599 Invalid, 10766 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4333 Valid, 6433 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-07-14 03:21:59,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-14 03:22:00,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-14 03:22:00,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2360053739364085) internal successors, (2760), 2291 states have internal predecessors, (2760), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-14 03:22:00,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5218 transitions. [2022-07-14 03:22:00,226 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5218 transitions. Word has length 301 [2022-07-14 03:22:00,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:22:00,230 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5218 transitions. [2022-07-14 03:22:00,231 INFO L496 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) [2022-07-14 03:22:00,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5218 transitions. [2022-07-14 03:22:00,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-14 03:22:00,244 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:22:00,244 INFO L195 NwaCegarLoop]: 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] [2022-07-14 03:22:00,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 03:22:00,245 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:22:00,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:22:00,246 INFO L85 PathProgramCache]: Analyzing trace with hash 226227545, now seen corresponding path program 1 times [2022-07-14 03:22:00,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:22:00,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98840219] [2022-07-14 03:22:00,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:22:00,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:22:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:22:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:22:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:22:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:22:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:22:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 03:22:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 03:22:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:22:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:22:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:22:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 03:22:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:22:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 03:22:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 03:22:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:22:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:22:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 03:22:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 03:22:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 03:22:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:22:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:22:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 03:22:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 03:22:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-14 03:22:00,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:22:00,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98840219] [2022-07-14 03:22:00,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98840219] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:22:00,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:22:00,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 03:22:00,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777390415] [2022-07-14 03:22:00,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:22:00,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 03:22:00,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:22:00,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 03:22:00,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-14 03:22:00,945 INFO L87 Difference]: Start difference. First operand 3641 states and 5218 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) [2022-07-14 03:22:03,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:05,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:13,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:22:13,370 INFO L93 Difference]: Finished difference Result 7972 states and 11515 transitions. [2022-07-14 03:22:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:22:13,372 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 [2022-07-14 03:22:13,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:22:13,407 INFO L225 Difference]: With dead ends: 7972 [2022-07-14 03:22:13,408 INFO L226 Difference]: Without dead ends: 4365 [2022-07-14 03:22:13,435 INFO L412 NwaCegarLoop]: 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 [2022-07-14 03:22:13,436 INFO L413 NwaCegarLoop]: 2333 mSDtfsCounter, 5836 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6426 mSolverCounterSat, 5786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6054 SdHoareTripleChecker+Valid, 5597 SdHoareTripleChecker+Invalid, 12212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5786 IncrementalHoareTripleChecker+Valid, 6426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:22:13,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6054 Valid, 5597 Invalid, 12212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5786 Valid, 6426 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2022-07-14 03:22:13,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-14 03:22:13,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-14 03:22:13,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2351097178683386) internal successors, (2758), 2291 states have internal predecessors, (2758), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-14 03:22:13,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5216 transitions. [2022-07-14 03:22:13,823 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5216 transitions. Word has length 302 [2022-07-14 03:22:13,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:22:13,824 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5216 transitions. [2022-07-14 03:22:13,825 INFO L496 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) [2022-07-14 03:22:13,825 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5216 transitions. [2022-07-14 03:22:13,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-07-14 03:22:13,837 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:22:13,837 INFO L195 NwaCegarLoop]: 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] [2022-07-14 03:22:13,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 03:22:13,837 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:22:13,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:22:13,838 INFO L85 PathProgramCache]: Analyzing trace with hash 390900482, now seen corresponding path program 1 times [2022-07-14 03:22:13,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:22:13,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152754067] [2022-07-14 03:22:13,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:22:13,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:22:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:22:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:22:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:22:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:22:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:22:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 03:22:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 03:22:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:22:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:22:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:22:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 03:22:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:22:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 03:22:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 03:22:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:22:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:22:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 03:22:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 03:22:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 03:22:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:22:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:22:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 03:22:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 03:22:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:14,390 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-14 03:22:14,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:22:14,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152754067] [2022-07-14 03:22:14,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152754067] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:22:14,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:22:14,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 03:22:14,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855090668] [2022-07-14 03:22:14,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:22:14,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 03:22:14,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:22:14,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 03:22:14,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-14 03:22:14,393 INFO L87 Difference]: Start difference. First operand 3641 states and 5216 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) [2022-07-14 03:22:25,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:22:25,196 INFO L93 Difference]: Finished difference Result 7972 states and 11511 transitions. [2022-07-14 03:22:25,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:22:25,196 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 [2022-07-14 03:22:25,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:22:25,222 INFO L225 Difference]: With dead ends: 7972 [2022-07-14 03:22:25,222 INFO L226 Difference]: Without dead ends: 4365 [2022-07-14 03:22:25,236 INFO L412 NwaCegarLoop]: 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 [2022-07-14 03:22:25,238 INFO L413 NwaCegarLoop]: 2333 mSDtfsCounter, 4331 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6429 mSolverCounterSat, 4333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4548 SdHoareTripleChecker+Valid, 5597 SdHoareTripleChecker+Invalid, 10762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4333 IncrementalHoareTripleChecker+Valid, 6429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:22:25,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4548 Valid, 5597 Invalid, 10762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4333 Valid, 6429 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-07-14 03:22:25,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-14 03:22:25,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-14 03:22:25,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2342140618002686) internal successors, (2756), 2291 states have internal predecessors, (2756), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-14 03:22:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5214 transitions. [2022-07-14 03:22:25,557 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5214 transitions. Word has length 303 [2022-07-14 03:22:25,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:22:25,558 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5214 transitions. [2022-07-14 03:22:25,559 INFO L496 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) [2022-07-14 03:22:25,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5214 transitions. [2022-07-14 03:22:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-14 03:22:25,571 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:22:25,571 INFO L195 NwaCegarLoop]: 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] [2022-07-14 03:22:25,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 03:22:25,572 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:22:25,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:22:25,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1315310837, now seen corresponding path program 1 times [2022-07-14 03:22:25,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:22:25,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386459544] [2022-07-14 03:22:25,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:22:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:22:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:22:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:22:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:22:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:22:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:22:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 03:22:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 03:22:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:22:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:22:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:22:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 03:22:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:22:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 03:22:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 03:22:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:22:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:22:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 03:22:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 03:22:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 03:22:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:22:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:22:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 03:22:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 03:22:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-14 03:22:26,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:22:26,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386459544] [2022-07-14 03:22:26,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386459544] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:22:26,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:22:26,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 03:22:26,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228090484] [2022-07-14 03:22:26,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:22:26,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 03:22:26,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:22:26,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 03:22:26,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-14 03:22:26,224 INFO L87 Difference]: Start difference. First operand 3641 states and 5214 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) [2022-07-14 03:22:36,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:22:36,421 INFO L93 Difference]: Finished difference Result 7972 states and 11507 transitions. [2022-07-14 03:22:36,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:22:36,422 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 [2022-07-14 03:22:36,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:22:36,452 INFO L225 Difference]: With dead ends: 7972 [2022-07-14 03:22:36,453 INFO L226 Difference]: Without dead ends: 4365 [2022-07-14 03:22:36,468 INFO L412 NwaCegarLoop]: 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 [2022-07-14 03:22:36,468 INFO L413 NwaCegarLoop]: 2333 mSDtfsCounter, 4327 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6432 mSolverCounterSat, 4333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4543 SdHoareTripleChecker+Valid, 5597 SdHoareTripleChecker+Invalid, 10765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4333 IncrementalHoareTripleChecker+Valid, 6432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:22:36,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4543 Valid, 5597 Invalid, 10765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4333 Valid, 6432 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-07-14 03:22:36,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-14 03:22:36,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-14 03:22:36,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2333184057321989) internal successors, (2754), 2291 states have internal predecessors, (2754), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-14 03:22:36,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5212 transitions. [2022-07-14 03:22:36,823 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5212 transitions. Word has length 304 [2022-07-14 03:22:36,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:22:36,825 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5212 transitions. [2022-07-14 03:22:36,825 INFO L496 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) [2022-07-14 03:22:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5212 transitions. [2022-07-14 03:22:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-07-14 03:22:36,837 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:22:36,837 INFO L195 NwaCegarLoop]: 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] [2022-07-14 03:22:36,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 03:22:36,838 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:22:36,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:22:36,838 INFO L85 PathProgramCache]: Analyzing trace with hash 21777374, now seen corresponding path program 1 times [2022-07-14 03:22:36,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:22:36,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30926189] [2022-07-14 03:22:36,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:22:36,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:22:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:22:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:22:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:22:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:22:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:22:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 03:22:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 03:22:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:22:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:22:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:22:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 03:22:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:22:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 03:22:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 03:22:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:22:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:22:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 03:22:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 03:22:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 03:22:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:22:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:22:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 03:22:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 03:22:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:37,416 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-14 03:22:37,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:22:37,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30926189] [2022-07-14 03:22:37,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30926189] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:22:37,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:22:37,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 03:22:37,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930175533] [2022-07-14 03:22:37,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:22:37,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 03:22:37,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:22:37,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 03:22:37,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-14 03:22:37,420 INFO L87 Difference]: Start difference. First operand 3641 states and 5212 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) [2022-07-14 03:22:41,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:49,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:22:49,281 INFO L93 Difference]: Finished difference Result 7972 states and 11503 transitions. [2022-07-14 03:22:49,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:22:49,281 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 305 [2022-07-14 03:22:49,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:22:49,314 INFO L225 Difference]: With dead ends: 7972 [2022-07-14 03:22:49,314 INFO L226 Difference]: Without dead ends: 4365 [2022-07-14 03:22:49,332 INFO L412 NwaCegarLoop]: 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 [2022-07-14 03:22:49,333 INFO L413 NwaCegarLoop]: 2331 mSDtfsCounter, 5821 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6425 mSolverCounterSat, 5785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6038 SdHoareTripleChecker+Valid, 5595 SdHoareTripleChecker+Invalid, 12210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5785 IncrementalHoareTripleChecker+Valid, 6425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:22:49,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6038 Valid, 5595 Invalid, 12210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5785 Valid, 6425 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-07-14 03:22:49,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-14 03:22:49,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-14 03:22:49,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.232422749664129) internal successors, (2752), 2291 states have internal predecessors, (2752), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-14 03:22:49,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5210 transitions. [2022-07-14 03:22:49,638 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5210 transitions. Word has length 305 [2022-07-14 03:22:49,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:22:49,639 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5210 transitions. [2022-07-14 03:22:49,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-14 03:22:49,639 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5210 transitions. [2022-07-14 03:22:49,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-14 03:22:49,649 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:22:49,649 INFO L195 NwaCegarLoop]: 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, 1] [2022-07-14 03:22:49,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 03:22:49,650 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:22:49,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:22:49,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1308537711, now seen corresponding path program 1 times [2022-07-14 03:22:49,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:22:49,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961812340] [2022-07-14 03:22:49,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:22:49,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:22:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:22:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:22:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:22:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:22:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:22:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 03:22:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 03:22:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:22:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:22:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:22:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 03:22:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:22:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 03:22:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 03:22:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:22:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:22:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:22:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 03:22:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 03:22:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 03:22:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:22:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:22:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 03:22:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:22:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:22:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 03:22:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:22:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-14 03:22:50,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:22:50,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961812340] [2022-07-14 03:22:50,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961812340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:22:50,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:22:50,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 03:22:50,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176535375] [2022-07-14 03:22:50,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:22:50,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 03:22:50,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:22:50,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 03:22:50,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-14 03:22:50,090 INFO L87 Difference]: Start difference. First operand 3641 states and 5210 transitions. Second operand has 9 states, 8 states have (on average 14.25) internal successors, (114), 6 states have internal predecessors, (114), 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) [2022-07-14 03:22:54,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:22:55,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:23:02,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:23:02,574 INFO L93 Difference]: Finished difference Result 7972 states and 11499 transitions. [2022-07-14 03:23:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:23:02,576 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.25) internal successors, (114), 6 states have internal predecessors, (114), 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 306 [2022-07-14 03:23:02,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:23:02,608 INFO L225 Difference]: With dead ends: 7972 [2022-07-14 03:23:02,608 INFO L226 Difference]: Without dead ends: 4365 [2022-07-14 03:23:02,626 INFO L412 NwaCegarLoop]: 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 [2022-07-14 03:23:02,627 INFO L413 NwaCegarLoop]: 2330 mSDtfsCounter, 5816 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6423 mSolverCounterSat, 5785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6033 SdHoareTripleChecker+Valid, 5594 SdHoareTripleChecker+Invalid, 12208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5785 IncrementalHoareTripleChecker+Valid, 6423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:23:02,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6033 Valid, 5594 Invalid, 12208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5785 Valid, 6423 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2022-07-14 03:23:02,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-14 03:23:02,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-14 03:23:02,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2315270935960592) internal successors, (2750), 2291 states have internal predecessors, (2750), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-14 03:23:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5208 transitions. [2022-07-14 03:23:02,942 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5208 transitions. Word has length 306 [2022-07-14 03:23:02,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:23:02,943 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5208 transitions. [2022-07-14 03:23:02,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.25) internal successors, (114), 6 states have internal predecessors, (114), 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) [2022-07-14 03:23:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5208 transitions. [2022-07-14 03:23:02,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-14 03:23:02,952 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:23:02,952 INFO L195 NwaCegarLoop]: 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, 1, 1] [2022-07-14 03:23:02,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 03:23:02,953 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:23:02,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:23:02,954 INFO L85 PathProgramCache]: Analyzing trace with hash 515884218, now seen corresponding path program 1 times [2022-07-14 03:23:02,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:23:02,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145901916] [2022-07-14 03:23:02,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:23:02,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:23:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:23:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:23:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:23:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:23:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:23:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 03:23:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 03:23:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:23:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:23:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:23:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 03:23:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:23:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 03:23:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 03:23:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:23:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:23:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 03:23:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 03:23:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 03:23:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:23:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:23:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 03:23:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 03:23:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-14 03:23:03,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:23:03,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145901916] [2022-07-14 03:23:03,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145901916] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:23:03,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:23:03,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 03:23:03,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555054852] [2022-07-14 03:23:03,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:23:03,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 03:23:03,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:23:03,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 03:23:03,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-14 03:23:03,472 INFO L87 Difference]: Start difference. First operand 3641 states and 5208 transitions. Second operand has 9 states, 8 states have (on average 14.375) internal successors, (115), 6 states have internal predecessors, (115), 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) [2022-07-14 03:23:14,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:23:14,429 INFO L93 Difference]: Finished difference Result 7972 states and 11495 transitions. [2022-07-14 03:23:14,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:23:14,429 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.375) internal successors, (115), 6 states have internal predecessors, (115), 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 307 [2022-07-14 03:23:14,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:23:14,462 INFO L225 Difference]: With dead ends: 7972 [2022-07-14 03:23:14,463 INFO L226 Difference]: Without dead ends: 4365 [2022-07-14 03:23:14,481 INFO L412 NwaCegarLoop]: 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 [2022-07-14 03:23:14,482 INFO L413 NwaCegarLoop]: 2328 mSDtfsCounter, 5811 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6416 mSolverCounterSat, 5786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6029 SdHoareTripleChecker+Valid, 5592 SdHoareTripleChecker+Invalid, 12202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5786 IncrementalHoareTripleChecker+Valid, 6416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:23:14,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6029 Valid, 5592 Invalid, 12202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5786 Valid, 6416 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-07-14 03:23:14,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-14 03:23:14,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-14 03:23:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2306314375279892) internal successors, (2748), 2291 states have internal predecessors, (2748), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-14 03:23:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5206 transitions. [2022-07-14 03:23:14,838 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5206 transitions. Word has length 307 [2022-07-14 03:23:14,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:23:14,839 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5206 transitions. [2022-07-14 03:23:14,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.375) internal successors, (115), 6 states have internal predecessors, (115), 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) [2022-07-14 03:23:14,839 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5206 transitions. [2022-07-14 03:23:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-14 03:23:14,850 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:23:14,850 INFO L195 NwaCegarLoop]: 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, 1, 1, 1] [2022-07-14 03:23:14,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 03:23:14,850 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:23:14,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:23:14,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1352905773, now seen corresponding path program 1 times [2022-07-14 03:23:14,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:23:14,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605009177] [2022-07-14 03:23:14,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:23:14,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:23:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:23:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:23:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:23:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:23:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:23:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 03:23:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 03:23:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:23:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:23:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:23:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 03:23:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:23:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 03:23:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 03:23:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:23:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:23:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 03:23:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 03:23:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 03:23:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:23:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:23:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 03:23:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 03:23:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:15,384 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-14 03:23:15,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:23:15,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605009177] [2022-07-14 03:23:15,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605009177] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:23:15,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:23:15,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 03:23:15,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900267511] [2022-07-14 03:23:15,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:23:15,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 03:23:15,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:23:15,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 03:23:15,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-14 03:23:15,388 INFO L87 Difference]: Start difference. First operand 3641 states and 5206 transitions. Second operand has 9 states, 8 states have (on average 14.5) internal successors, (116), 6 states have internal predecessors, (116), 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) [2022-07-14 03:23:27,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:23:27,715 INFO L93 Difference]: Finished difference Result 7972 states and 11491 transitions. [2022-07-14 03:23:27,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:23:27,716 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 6 states have internal predecessors, (116), 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 308 [2022-07-14 03:23:27,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:23:27,746 INFO L225 Difference]: With dead ends: 7972 [2022-07-14 03:23:27,747 INFO L226 Difference]: Without dead ends: 4365 [2022-07-14 03:23:27,763 INFO L412 NwaCegarLoop]: 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 [2022-07-14 03:23:27,764 INFO L413 NwaCegarLoop]: 2328 mSDtfsCounter, 5806 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6419 mSolverCounterSat, 5785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6023 SdHoareTripleChecker+Valid, 5592 SdHoareTripleChecker+Invalid, 12204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5785 IncrementalHoareTripleChecker+Valid, 6419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:23:27,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6023 Valid, 5592 Invalid, 12204 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5785 Valid, 6419 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-07-14 03:23:27,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-14 03:23:28,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-14 03:23:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2297357814599195) internal successors, (2746), 2291 states have internal predecessors, (2746), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-14 03:23:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5204 transitions. [2022-07-14 03:23:28,085 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5204 transitions. Word has length 308 [2022-07-14 03:23:28,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:23:28,086 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5204 transitions. [2022-07-14 03:23:28,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 6 states have internal predecessors, (116), 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) [2022-07-14 03:23:28,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5204 transitions. [2022-07-14 03:23:28,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-14 03:23:28,095 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:23:28,095 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:23:28,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 03:23:28,096 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:23:28,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:23:28,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1495081352, now seen corresponding path program 1 times [2022-07-14 03:23:28,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:23:28,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660105407] [2022-07-14 03:23:28,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:23:28,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:23:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:23:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:23:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:23:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:23:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:23:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 03:23:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 03:23:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-14 03:23:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 03:23:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:23:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 03:23:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 03:23:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-14 03:23:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 03:23:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 03:23:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 03:23:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:23:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 03:23:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:23:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-14 03:23:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 03:23:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:23:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:23:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-14 03:23:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 03:23:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:23:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 03:23:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-14 03:23:28,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:23:28,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660105407] [2022-07-14 03:23:28,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660105407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:23:28,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:23:28,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:23:28,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783344984] [2022-07-14 03:23:28,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:23:28,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:23:28,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:23:28,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:23:28,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:23:28,624 INFO L87 Difference]: Start difference. First operand 3641 states and 5204 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 3 states have internal predecessors, (118), 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) [2022-07-14 03:23:31,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:23:36,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:23:42,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:23:42,410 INFO L93 Difference]: Finished difference Result 10581 states and 15104 transitions. [2022-07-14 03:23:42,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:23:42,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 3 states have internal predecessors, (118), 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 288 [2022-07-14 03:23:42,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:23:42,460 INFO L225 Difference]: With dead ends: 10581 [2022-07-14 03:23:42,461 INFO L226 Difference]: Without dead ends: 6974 [2022-07-14 03:23:42,486 INFO L412 NwaCegarLoop]: 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 [2022-07-14 03:23:42,487 INFO L413 NwaCegarLoop]: 2401 mSDtfsCounter, 4127 mSDsluCounter, 2060 mSDsCounter, 0 mSdLazyCounter, 4219 mSolverCounterSat, 3960 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4623 SdHoareTripleChecker+Valid, 4461 SdHoareTripleChecker+Invalid, 8179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3960 IncrementalHoareTripleChecker+Valid, 4219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-07-14 03:23:42,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4623 Valid, 4461 Invalid, 8179 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3960 Valid, 4219 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2022-07-14 03:23:42,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6974 states. [2022-07-14 03:23:43,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6974 to 6740. [2022-07-14 03:23:43,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6740 states, 4147 states have (on average 1.2322160598022667) internal successors, (5110), 4255 states have internal predecessors, (5110), 2248 states have call successors, (2248), 342 states have call predecessors, (2248), 344 states have return successors, (2256), 2202 states have call predecessors, (2256), 2248 states have call successors, (2256) [2022-07-14 03:23:43,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6740 states to 6740 states and 9614 transitions. [2022-07-14 03:23:43,192 INFO L78 Accepts]: Start accepts. Automaton has 6740 states and 9614 transitions. Word has length 288 [2022-07-14 03:23:43,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:23:43,193 INFO L495 AbstractCegarLoop]: Abstraction has 6740 states and 9614 transitions. [2022-07-14 03:23:43,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 3 states have internal predecessors, (118), 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) [2022-07-14 03:23:43,194 INFO L276 IsEmpty]: Start isEmpty. Operand 6740 states and 9614 transitions. [2022-07-14 03:23:43,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-14 03:23:43,203 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:23:43,203 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-07-14 03:23:43,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 03:23:43,204 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:23:43,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:23:43,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1645286806, now seen corresponding path program 1 times [2022-07-14 03:23:43,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:23:43,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123239391] [2022-07-14 03:23:43,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:23:43,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:23:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:23:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:23:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:23:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:23:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:23:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 03:23:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 03:23:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:23:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:23:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:23:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 03:23:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:23:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 03:23:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 03:23:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:23:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:23:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:23:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 03:23:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 03:23:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-14 03:23:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:23:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:23:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 03:23:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:23:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:23:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 03:23:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:23:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-14 03:23:44,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:23:44,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123239391] [2022-07-14 03:23:44,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123239391] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:23:44,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:23:44,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 03:23:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111786021] [2022-07-14 03:23:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:23:44,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 03:23:44,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:23:44,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 03:23:44,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-14 03:23:44,252 INFO L87 Difference]: Start difference. First operand 6740 states and 9614 transitions. Second operand has 8 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 4 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-14 03:23:47,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:23:48,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:23:51,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:23:59,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:23:59,634 INFO L93 Difference]: Finished difference Result 14116 states and 20228 transitions. [2022-07-14 03:23:59,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 03:23:59,635 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 4 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 309 [2022-07-14 03:23:59,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:23:59,684 INFO L225 Difference]: With dead ends: 14116 [2022-07-14 03:23:59,685 INFO L226 Difference]: Without dead ends: 7410 [2022-07-14 03:23:59,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-07-14 03:23:59,723 INFO L413 NwaCegarLoop]: 2212 mSDtfsCounter, 2420 mSDsluCounter, 4366 mSDsCounter, 0 mSdLazyCounter, 7428 mSolverCounterSat, 3135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 6578 SdHoareTripleChecker+Invalid, 10563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3135 IncrementalHoareTripleChecker+Valid, 7428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:23:59,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 6578 Invalid, 10563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3135 Valid, 7428 Invalid, 0 Unknown, 0 Unchecked, 14.4s Time] [2022-07-14 03:23:59,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7410 states. [2022-07-14 03:24:00,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7410 to 6708. [2022-07-14 03:24:00,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6708 states, 4117 states have (on average 1.2300218605780908) internal successors, (5064), 4225 states have internal predecessors, (5064), 2246 states have call successors, (2246), 342 states have call predecessors, (2246), 344 states have return successors, (2254), 2200 states have call predecessors, (2254), 2246 states have call successors, (2254) [2022-07-14 03:24:00,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6708 states to 6708 states and 9564 transitions. [2022-07-14 03:24:00,356 INFO L78 Accepts]: Start accepts. Automaton has 6708 states and 9564 transitions. Word has length 309 [2022-07-14 03:24:00,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:24:00,357 INFO L495 AbstractCegarLoop]: Abstraction has 6708 states and 9564 transitions. [2022-07-14 03:24:00,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 4 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-14 03:24:00,357 INFO L276 IsEmpty]: Start isEmpty. Operand 6708 states and 9564 transitions. [2022-07-14 03:24:00,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-14 03:24:00,367 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:24:00,367 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:24:00,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-14 03:24:00,368 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:24:00,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:24:00,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1904811936, now seen corresponding path program 1 times [2022-07-14 03:24:00,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:24:00,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292280662] [2022-07-14 03:24:00,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:24:00,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:24:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:24:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:24:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:24:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:24:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:24:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:24:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:24:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:24:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:24:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:24:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:24:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:24:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 03:24:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 03:24:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-14 03:24:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 03:24:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:24:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 03:24:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 03:24:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-14 03:24:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 03:24:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 03:24:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 03:24:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:24:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 03:24:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:24:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-14 03:24:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 03:24:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:24:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:24:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-14 03:24:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:24:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:24:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 03:24:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:24:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-14 03:24:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-14 03:24:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-14 03:24:00,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:24:00,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292280662] [2022-07-14 03:24:00,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292280662] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:24:00,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:24:00,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 03:24:00,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544812153] [2022-07-14 03:24:00,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:24:00,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 03:24:00,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:24:00,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 03:24:00,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-14 03:24:00,925 INFO L87 Difference]: Start difference. First operand 6708 states and 9564 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 03:24:04,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:24:06,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:24:07,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:24:09,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:24:13,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:24:29,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:24:29,181 INFO L93 Difference]: Finished difference Result 17519 states and 24813 transitions. [2022-07-14 03:24:29,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 03:24:29,182 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 296 [2022-07-14 03:24:29,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:24:29,255 INFO L225 Difference]: With dead ends: 17519 [2022-07-14 03:24:29,255 INFO L226 Difference]: Without dead ends: 13894 [2022-07-14 03:24:29,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-07-14 03:24:29,275 INFO L413 NwaCegarLoop]: 3918 mSDtfsCounter, 6749 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 9370 mSolverCounterSat, 5665 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7132 SdHoareTripleChecker+Valid, 7768 SdHoareTripleChecker+Invalid, 15035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5665 IncrementalHoareTripleChecker+Valid, 9370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:24:29,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7132 Valid, 7768 Invalid, 15035 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5665 Valid, 9370 Invalid, 0 Unknown, 0 Unchecked, 26.5s Time] [2022-07-14 03:24:29,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13894 states. [2022-07-14 03:24:30,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13894 to 13392. [2022-07-14 03:24:30,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13392 states, 8193 states have (on average 1.2170145245941657) internal successors, (9971), 8435 states have internal predecessors, (9971), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-07-14 03:24:30,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13392 states to 13392 states and 18935 transitions. [2022-07-14 03:24:30,635 INFO L78 Accepts]: Start accepts. Automaton has 13392 states and 18935 transitions. Word has length 296 [2022-07-14 03:24:30,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:24:30,636 INFO L495 AbstractCegarLoop]: Abstraction has 13392 states and 18935 transitions. [2022-07-14 03:24:30,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 03:24:30,637 INFO L276 IsEmpty]: Start isEmpty. Operand 13392 states and 18935 transitions. [2022-07-14 03:24:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-07-14 03:24:30,649 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:24:30,650 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:24:30,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 03:24:30,650 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:24:30,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:24:30,651 INFO L85 PathProgramCache]: Analyzing trace with hash -445197761, now seen corresponding path program 1 times [2022-07-14 03:24:30,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:24:30,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550210200] [2022-07-14 03:24:30,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:24:30,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:24:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:24:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:24:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:24:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:24:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:24:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-14 03:24:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:24:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:24:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-14 03:24:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:24:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:24:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 03:24:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 03:24:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 03:24:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-14 03:24:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 03:24:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 03:24:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 03:24:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 03:24:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-14 03:24:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 03:24:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 03:24:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 03:24:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:24:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 03:24:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:24:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-14 03:24:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 03:24:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:24:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:24:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-14 03:24:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:24:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:24:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 03:24:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 03:24:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:24:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-14 03:24:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-14 03:24:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:24:31,353 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-14 03:24:31,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:24:31,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550210200] [2022-07-14 03:24:31,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550210200] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:24:31,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:24:31,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 03:24:31,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380023801] [2022-07-14 03:24:31,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:24:31,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 03:24:31,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:24:31,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 03:24:31,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-14 03:24:31,356 INFO L87 Difference]: Start difference. First operand 13392 states and 18935 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 03:24:34,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:24:36,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []