./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.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 abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:08:36,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:08:36,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:08:36,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:08:36,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:08:36,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:08:36,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:08:36,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:08:36,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:08:36,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:08:36,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:08:36,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:08:36,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:08:36,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:08:36,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:08:36,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:08:36,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:08:36,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:08:36,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:08:36,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:08:36,610 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:08:36,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:08:36,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:08:36,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:08:36,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:08:36,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:08:36,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:08:36,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:08:36,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:08:36,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:08:36,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:08:36,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:08:36,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:08:36,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:08:36,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:08:36,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:08:36,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:08:36,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:08:36,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:08:36,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:08:36,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:08:36,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:08:36,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:08:36,666 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:08:36,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:08:36,667 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:08:36,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:08:36,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:08:36,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:08:36,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:08:36,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:08:36,669 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:08:36,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:08:36,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:08:36,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:08:36,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:08:36,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:08:36,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:08:36,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:08:36,671 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:08:36,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:08:36,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:08:36,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:08:36,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:08:36,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:08:36,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:08:36,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:08:36,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:08:36,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:08:36,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:08:36,674 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:08:36,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:08:36,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:08:36,674 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 [2022-07-20 03:08:36,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:08:36,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:08:36,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:08:36,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:08:36,938 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:08:36,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-20 03:08:36,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e1ba2536/0cf8e96ab877402582fb785b6b53adc9/FLAG3ff186410 [2022-07-20 03:08:37,826 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:08:37,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-20 03:08:37,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e1ba2536/0cf8e96ab877402582fb785b6b53adc9/FLAG3ff186410 [2022-07-20 03:08:38,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e1ba2536/0cf8e96ab877402582fb785b6b53adc9 [2022-07-20 03:08:38,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:08:38,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:08:38,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:08:38,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:08:38,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:08:38,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:08:38" (1/1) ... [2022-07-20 03:08:38,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f257b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:38, skipping insertion in model container [2022-07-20 03:08:38,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:08:38" (1/1) ... [2022-07-20 03:08:38,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:08:38,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:08:41,722 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2022-07-20 03:08:41,725 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2022-07-20 03:08:41,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:08:41,803 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:08:42,157 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2022-07-20 03:08:42,158 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2022-07-20 03:08:42,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:08:42,377 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:08:42,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42 WrapperNode [2022-07-20 03:08:42,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:08:42,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:08:42,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:08:42,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:08:42,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42" (1/1) ... [2022-07-20 03:08:42,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42" (1/1) ... [2022-07-20 03:08:42,745 INFO L137 Inliner]: procedures = 556, calls = 2946, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 7648 [2022-07-20 03:08:42,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:08:42,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:08:42,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:08:42,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:08:42,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42" (1/1) ... [2022-07-20 03:08:42,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42" (1/1) ... [2022-07-20 03:08:42,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42" (1/1) ... [2022-07-20 03:08:42,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42" (1/1) ... [2022-07-20 03:08:42,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42" (1/1) ... [2022-07-20 03:08:42,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42" (1/1) ... [2022-07-20 03:08:43,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42" (1/1) ... [2022-07-20 03:08:43,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:08:43,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:08:43,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:08:43,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:08:43,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42" (1/1) ... [2022-07-20 03:08:43,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:08:43,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:08:43,081 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) [2022-07-20 03:08:43,105 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 [2022-07-20 03:08:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-20 03:08:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-20 03:08:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:08:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:08:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 03:08:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 03:08:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 03:08:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 03:08:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2022-07-20 03:08:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2022-07-20 03:08:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:08:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:08:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 03:08:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 03:08:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:08:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:08:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 03:08:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 03:08:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2022-07-20 03:08:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2022-07-20 03:08:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 03:08:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 03:08:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 03:08:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 03:08:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:08:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:08:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:08:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:08:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:08:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:08:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:08:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:08:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 03:08:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 03:08:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:08:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2022-07-20 03:08:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2022-07-20 03:08:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:08:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:08:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 03:08:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 03:08:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:08:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-07-20 03:08:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2022-07-20 03:08:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:08:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:08:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-20 03:08:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-20 03:08:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:08:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:08:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:08:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2022-07-20 03:08:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2022-07-20 03:08:43,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:08:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:08:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:08:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 03:08:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 03:08:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:08:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:08:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2022-07-20 03:08:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2022-07-20 03:08:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:08:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:08:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:08:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:08:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:08:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:08:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 03:08:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 03:08:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 03:08:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 03:08:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:08:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:08:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2022-07-20 03:08:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2022-07-20 03:08:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-20 03:08:43,239 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-20 03:08:43,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-20 03:08:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2022-07-20 03:08:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:08:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:08:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:08:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:08:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:08:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-20 03:08:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-07-20 03:08:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-20 03:08:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-20 03:08:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 03:08:43,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 03:08:43,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 03:08:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 03:08:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2022-07-20 03:08:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2022-07-20 03:08:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:08:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 03:08:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 03:08:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:08:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:08:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:08:43,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:08:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:08:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 03:08:43,241 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:08:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:08:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2022-07-20 03:08:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2022-07-20 03:08:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:08:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 03:08:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 03:08:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 03:08:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-20 03:08:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2022-07-20 03:08:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 03:08:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 03:08:43,242 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2022-07-20 03:08:43,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2022-07-20 03:08:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 03:08:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 03:08:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-20 03:08:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-20 03:08:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:08:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:08:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 03:08:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 03:08:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:08:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:08:43,243 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2022-07-20 03:08:43,243 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2022-07-20 03:08:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-20 03:08:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-20 03:08:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 03:08:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 03:08:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2022-07-20 03:08:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2022-07-20 03:08:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-20 03:08:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-20 03:08:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:08:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:08:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 03:08:43,244 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 03:08:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:08:43,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:08:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:08:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:08:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2022-07-20 03:08:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2022-07-20 03:08:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2022-07-20 03:08:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2022-07-20 03:08:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2022-07-20 03:08:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2022-07-20 03:08:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-20 03:08:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:08:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:08:43,245 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2022-07-20 03:08:43,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2022-07-20 03:08:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2022-07-20 03:08:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2022-07-20 03:08:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 03:08:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 03:08:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:08:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:08:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-20 03:08:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-20 03:08:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:08:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:08:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-20 03:08:43,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-20 03:08:43,246 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-20 03:08:43,247 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-20 03:08:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2022-07-20 03:08:43,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2022-07-20 03:08:43,247 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2022-07-20 03:08:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2022-07-20 03:08:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2022-07-20 03:08:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2022-07-20 03:08:43,251 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 03:08:43,251 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 03:08:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:08:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2022-07-20 03:08:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2022-07-20 03:08:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:08:43,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:08:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:08:43,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-20 03:08:43,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2022-07-20 03:08:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:08:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2022-07-20 03:08:43,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2022-07-20 03:08:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2022-07-20 03:08:43,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2022-07-20 03:08:43,253 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-20 03:08:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-20 03:08:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:08:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:08:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-20 03:08:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-20 03:08:43,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:08:43,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:08:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2022-07-20 03:08:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2022-07-20 03:08:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-20 03:08:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-20 03:08:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 03:08:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 03:08:43,255 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2022-07-20 03:08:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2022-07-20 03:08:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-20 03:08:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-20 03:08:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-20 03:08:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2022-07-20 03:08:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2022-07-20 03:08:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2022-07-20 03:08:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 03:08:43,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 03:08:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:08:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:08:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:08:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:08:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2022-07-20 03:08:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2022-07-20 03:08:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:08:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:08:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2022-07-20 03:08:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2022-07-20 03:08:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2022-07-20 03:08:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2022-07-20 03:08:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-20 03:08:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-20 03:08:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:08:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:08:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:08:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2022-07-20 03:08:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2022-07-20 03:08:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:08:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:08:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:08:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:08:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 03:08:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 03:08:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2022-07-20 03:08:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2022-07-20 03:08:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2022-07-20 03:08:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2022-07-20 03:08:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-20 03:08:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-20 03:08:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2022-07-20 03:08:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2022-07-20 03:08:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:08:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:08:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 03:08:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 03:08:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 03:08:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 03:08:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-20 03:08:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-20 03:08:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-20 03:08:43,261 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-20 03:08:43,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:08:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-07-20 03:08:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-07-20 03:08:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-20 03:08:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-20 03:08:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:08:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:08:43,262 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 03:08:43,262 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 03:08:44,144 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:08:44,147 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:08:44,302 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:08:50,075 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:08:50,239 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:08:50,265 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:08:50,266 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-20 03:08:50,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:08:50 BoogieIcfgContainer [2022-07-20 03:08:50,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:08:50,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:08:50,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:08:50,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:08:50,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:08:38" (1/3) ... [2022-07-20 03:08:50,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9986f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:08:50, skipping insertion in model container [2022-07-20 03:08:50,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:08:42" (2/3) ... [2022-07-20 03:08:50,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9986f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:08:50, skipping insertion in model container [2022-07-20 03:08:50,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:08:50" (3/3) ... [2022-07-20 03:08:50,277 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2022-07-20 03:08:50,289 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:08:50,289 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 03:08:50,403 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:08:50,409 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@19a09efa, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2bed601f [2022-07-20 03:08:50,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 03:08:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 2786 states, 1963 states have (on average 1.3295975547631176) internal successors, (2610), 2003 states have internal predecessors, (2610), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) [2022-07-20 03:08:50,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-20 03:08:50,474 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:08:50,475 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 4, 4, 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] [2022-07-20 03:08:50,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:08:50,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:08:50,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1721143499, now seen corresponding path program 1 times [2022-07-20 03:08:50,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:08:50,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443687605] [2022-07-20 03:08:50,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:08:50,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:08:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:08:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:08:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:08:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:08:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:08:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:08:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:08:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:08:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:08:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:08:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:08:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:08:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:08:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:08:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 03:08:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 03:08:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:08:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:08:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 03:08:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 03:08:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:08:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:08:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 03:08:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 03:08:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:08:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-20 03:08:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 03:08:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:08:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2022-07-20 03:08:51,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:08:51,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443687605] [2022-07-20 03:08:51,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443687605] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:08:51,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:08:51,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:08:51,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758461325] [2022-07-20 03:08:51,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:08:51,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:08:51,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:08:51,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:08:51,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:08:51,802 INFO L87 Difference]: Start difference. First operand has 2786 states, 1963 states have (on average 1.3295975547631176) internal successors, (2610), 2003 states have internal predecessors, (2610), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-20 03:09:00,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:09:09,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:09:17,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:09:20,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:09:22,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:09:22,074 INFO L93 Difference]: Finished difference Result 8674 states and 12740 transitions. [2022-07-20 03:09:22,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 03:09:22,078 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 258 [2022-07-20 03:09:22,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:09:22,133 INFO L225 Difference]: With dead ends: 8674 [2022-07-20 03:09:22,133 INFO L226 Difference]: Without dead ends: 5724 [2022-07-20 03:09:22,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-20 03:09:22,161 INFO L413 NwaCegarLoop]: 4249 mSDtfsCounter, 8687 mSDsluCounter, 6234 mSDsCounter, 0 mSdLazyCounter, 7214 mSolverCounterSat, 6254 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9142 SdHoareTripleChecker+Valid, 10483 SdHoareTripleChecker+Invalid, 13470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6254 IncrementalHoareTripleChecker+Valid, 7214 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:09:22,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9142 Valid, 10483 Invalid, 13470 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6254 Valid, 7214 Invalid, 2 Unknown, 0 Unchecked, 29.4s Time] [2022-07-20 03:09:22,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5724 states. [2022-07-20 03:09:22,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5724 to 5077. [2022-07-20 03:09:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5077 states, 3620 states have (on average 1.2966850828729282) internal successors, (4694), 3689 states have internal predecessors, (4694), 1223 states have call successors, (1223), 233 states have call predecessors, (1223), 233 states have return successors, (1223), 1199 states have call predecessors, (1223), 1223 states have call successors, (1223) [2022-07-20 03:09:22,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5077 states to 5077 states and 7140 transitions. [2022-07-20 03:09:22,519 INFO L78 Accepts]: Start accepts. Automaton has 5077 states and 7140 transitions. Word has length 258 [2022-07-20 03:09:22,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:09:22,522 INFO L495 AbstractCegarLoop]: Abstraction has 5077 states and 7140 transitions. [2022-07-20 03:09:22,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-20 03:09:22,523 INFO L276 IsEmpty]: Start isEmpty. Operand 5077 states and 7140 transitions. [2022-07-20 03:09:22,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-20 03:09:22,542 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:09:22,543 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 4, 4, 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] [2022-07-20 03:09:22,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:09:22,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:09:22,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:09:22,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1745276833, now seen corresponding path program 1 times [2022-07-20 03:09:22,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:09:22,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367345999] [2022-07-20 03:09:22,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:09:22,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:09:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:09:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:09:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:09:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:09:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:09:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:09:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:22,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:09:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:09:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:09:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:09:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:09:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:09:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:09:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:09:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 03:09:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-20 03:09:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:09:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:09:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 03:09:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:09:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:09:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:09:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 03:09:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:09:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-20 03:09:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-20 03:09:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2022-07-20 03:09:23,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:09:23,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367345999] [2022-07-20 03:09:23,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367345999] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:09:23,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:09:23,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:09:23,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609747645] [2022-07-20 03:09:23,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:09:23,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:09:23,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:09:23,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:09:23,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:09:23,283 INFO L87 Difference]: Start difference. First operand 5077 states and 7140 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-20 03:09:28,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:09:42,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:09:42,826 INFO L93 Difference]: Finished difference Result 14900 states and 21042 transitions. [2022-07-20 03:09:42,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 03:09:42,827 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 268 [2022-07-20 03:09:42,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:09:42,889 INFO L225 Difference]: With dead ends: 14900 [2022-07-20 03:09:42,889 INFO L226 Difference]: Without dead ends: 9854 [2022-07-20 03:09:42,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-20 03:09:42,914 INFO L413 NwaCegarLoop]: 3538 mSDtfsCounter, 8538 mSDsluCounter, 5566 mSDsCounter, 0 mSdLazyCounter, 6277 mSolverCounterSat, 5928 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8854 SdHoareTripleChecker+Valid, 9104 SdHoareTripleChecker+Invalid, 12206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5928 IncrementalHoareTripleChecker+Valid, 6277 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-07-20 03:09:42,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8854 Valid, 9104 Invalid, 12206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5928 Valid, 6277 Invalid, 1 Unknown, 0 Unchecked, 18.9s Time] [2022-07-20 03:09:42,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9854 states. [2022-07-20 03:09:43,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9854 to 8696. [2022-07-20 03:09:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8696 states, 6213 states have (on average 1.2993722839208113) internal successors, (8073), 6325 states have internal predecessors, (8073), 2035 states have call successors, (2035), 438 states have call predecessors, (2035), 447 states have return successors, (2059), 1992 states have call predecessors, (2059), 2035 states have call successors, (2059) [2022-07-20 03:09:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8696 states to 8696 states and 12167 transitions. [2022-07-20 03:09:43,365 INFO L78 Accepts]: Start accepts. Automaton has 8696 states and 12167 transitions. Word has length 268 [2022-07-20 03:09:43,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:09:43,366 INFO L495 AbstractCegarLoop]: Abstraction has 8696 states and 12167 transitions. [2022-07-20 03:09:43,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-20 03:09:43,368 INFO L276 IsEmpty]: Start isEmpty. Operand 8696 states and 12167 transitions. [2022-07-20 03:09:43,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-20 03:09:43,382 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:09:43,382 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:09:43,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:09:43,383 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:09:43,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:09:43,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1947325840, now seen corresponding path program 1 times [2022-07-20 03:09:43,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:09:43,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103214877] [2022-07-20 03:09:43,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:09:43,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:09:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:09:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:09:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:09:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:09:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:09:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:09:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:09:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:09:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:09:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:09:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:09:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:09:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:09:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:09:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:09:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:09:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:09:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:09:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 03:09:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:43,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:44,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 03:09:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 03:09:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 03:09:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 03:09:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:09:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:09:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 03:09:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-20 03:09:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:09:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:09:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-20 03:09:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 03:09:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:09:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-20 03:09:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 03:09:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:09:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2022-07-20 03:09:44,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:09:44,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103214877] [2022-07-20 03:09:44,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103214877] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:09:44,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:09:44,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:09:44,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529691269] [2022-07-20 03:09:44,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:09:44,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:09:44,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:09:44,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:09:44,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:09:44,226 INFO L87 Difference]: Start difference. First operand 8696 states and 12167 transitions. Second operand has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-20 03:09:48,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:09:56,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:10:03,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:10:07,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:10:11,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:10:11,077 INFO L93 Difference]: Finished difference Result 28296 states and 39896 transitions. [2022-07-20 03:10:11,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 03:10:11,078 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) Word has length 331 [2022-07-20 03:10:11,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:10:11,194 INFO L225 Difference]: With dead ends: 28296 [2022-07-20 03:10:11,194 INFO L226 Difference]: Without dead ends: 19631 [2022-07-20 03:10:11,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-20 03:10:11,239 INFO L413 NwaCegarLoop]: 4474 mSDtfsCounter, 9312 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 6903 mSolverCounterSat, 6004 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9798 SdHoareTripleChecker+Valid, 11392 SdHoareTripleChecker+Invalid, 12909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6004 IncrementalHoareTripleChecker+Valid, 6903 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2022-07-20 03:10:11,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9798 Valid, 11392 Invalid, 12909 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6004 Valid, 6903 Invalid, 2 Unknown, 0 Unchecked, 26.0s Time] [2022-07-20 03:10:11,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19631 states. [2022-07-20 03:10:11,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19631 to 17331. [2022-07-20 03:10:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17331 states, 12383 states have (on average 1.2997658079625294) internal successors, (16095), 12613 states have internal predecessors, (16095), 4051 states have call successors, (4051), 876 states have call predecessors, (4051), 896 states have return successors, (4111), 3961 states have call predecessors, (4111), 4051 states have call successors, (4111) [2022-07-20 03:10:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17331 states to 17331 states and 24257 transitions. [2022-07-20 03:10:12,165 INFO L78 Accepts]: Start accepts. Automaton has 17331 states and 24257 transitions. Word has length 331 [2022-07-20 03:10:12,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:10:12,166 INFO L495 AbstractCegarLoop]: Abstraction has 17331 states and 24257 transitions. [2022-07-20 03:10:12,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-20 03:10:12,167 INFO L276 IsEmpty]: Start isEmpty. Operand 17331 states and 24257 transitions. [2022-07-20 03:10:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-20 03:10:12,180 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:10:12,180 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:10:12,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:10:12,180 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:10:12,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:10:12,182 INFO L85 PathProgramCache]: Analyzing trace with hash 730201006, now seen corresponding path program 1 times [2022-07-20 03:10:12,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:10:12,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956241296] [2022-07-20 03:10:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:10:12,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:10:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:10:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:10:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:10:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:10:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:10:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:10:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:10:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:10:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:10:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:10:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:10:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:10:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:10:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:10:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:10:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:10:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:10:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:10:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 03:10:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 03:10:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 03:10:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 03:10:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 03:10:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:10:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:10:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 03:10:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-20 03:10:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:10:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:10:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-20 03:10:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 03:10:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-20 03:10:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 03:10:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2022-07-20 03:10:12,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:10:12,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956241296] [2022-07-20 03:10:12,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956241296] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:10:12,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:10:12,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:10:12,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494942502] [2022-07-20 03:10:12,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:10:12,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:10:12,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:10:12,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:10:12,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:10:12,805 INFO L87 Difference]: Start difference. First operand 17331 states and 24257 transitions. Second operand has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-20 03:10:17,677 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 [] [2022-07-20 03:10:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:10:35,181 INFO L93 Difference]: Finished difference Result 45741 states and 64484 transitions. [2022-07-20 03:10:35,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 03:10:35,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) Word has length 331 [2022-07-20 03:10:35,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:10:35,354 INFO L225 Difference]: With dead ends: 45741 [2022-07-20 03:10:35,355 INFO L226 Difference]: Without dead ends: 28441 [2022-07-20 03:10:35,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-20 03:10:35,437 INFO L413 NwaCegarLoop]: 5001 mSDtfsCounter, 7305 mSDsluCounter, 7008 mSDsCounter, 0 mSdLazyCounter, 7183 mSolverCounterSat, 5107 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7747 SdHoareTripleChecker+Valid, 12009 SdHoareTripleChecker+Invalid, 12291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5107 IncrementalHoareTripleChecker+Valid, 7183 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:10:35,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7747 Valid, 12009 Invalid, 12291 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5107 Valid, 7183 Invalid, 1 Unknown, 0 Unchecked, 21.4s Time] [2022-07-20 03:10:35,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28441 states. [2022-07-20 03:10:36,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28441 to 25173. [2022-07-20 03:10:36,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25173 states, 18037 states have (on average 1.30104784609414) internal successors, (23467), 18362 states have internal predecessors, (23467), 5834 states have call successors, (5834), 1276 states have call predecessors, (5834), 1301 states have return successors, (5910), 5702 states have call predecessors, (5910), 5834 states have call successors, (5910) [2022-07-20 03:10:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25173 states to 25173 states and 35211 transitions. [2022-07-20 03:10:36,851 INFO L78 Accepts]: Start accepts. Automaton has 25173 states and 35211 transitions. Word has length 331 [2022-07-20 03:10:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:10:36,852 INFO L495 AbstractCegarLoop]: Abstraction has 25173 states and 35211 transitions. [2022-07-20 03:10:36,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37) [2022-07-20 03:10:36,853 INFO L276 IsEmpty]: Start isEmpty. Operand 25173 states and 35211 transitions. [2022-07-20 03:10:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-07-20 03:10:36,873 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:10:36,873 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 13, 13, 13, 9, 9, 9, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:10:36,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:10:36,874 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:10:36,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:10:36,875 INFO L85 PathProgramCache]: Analyzing trace with hash 144161826, now seen corresponding path program 1 times [2022-07-20 03:10:36,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:10:36,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044848613] [2022-07-20 03:10:36,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:10:36,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:10:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:10:37,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:10:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:10:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:10:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:10:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:10:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:10:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:10:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:10:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:10:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:10:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:10:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:10:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:10:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:10:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:10:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:10:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:10:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 03:10:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 03:10:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 03:10:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 03:10:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:10:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:10:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:10:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:10:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:10:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 03:10:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 03:10:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-20 03:10:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-20 03:10:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:10:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:10:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-20 03:10:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-20 03:10:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:10:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:10:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-20 03:10:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-20 03:10:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:10:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 03:10:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 03:10:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:10:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-07-20 03:10:37,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:10:37,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044848613] [2022-07-20 03:10:37,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044848613] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:10:37,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:10:37,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:10:37,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221007111] [2022-07-20 03:10:37,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:10:37,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:10:37,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:10:37,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:10:37,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:10:37,545 INFO L87 Difference]: Start difference. First operand 25173 states and 35211 transitions. Second operand has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-20 03:10:43,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:10:45,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:10:51,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:00,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:05,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:09,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:11:09,291 INFO L93 Difference]: Finished difference Result 62417 states and 87896 transitions. [2022-07-20 03:11:09,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 03:11:09,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) Word has length 405 [2022-07-20 03:11:09,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:11:09,466 INFO L225 Difference]: With dead ends: 62417 [2022-07-20 03:11:09,467 INFO L226 Difference]: Without dead ends: 37275 [2022-07-20 03:11:09,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-20 03:11:09,554 INFO L413 NwaCegarLoop]: 6318 mSDtfsCounter, 6011 mSDsluCounter, 8780 mSDsCounter, 0 mSdLazyCounter, 7559 mSolverCounterSat, 4223 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6458 SdHoareTripleChecker+Valid, 15098 SdHoareTripleChecker+Invalid, 11785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4223 IncrementalHoareTripleChecker+Valid, 7559 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:11:09,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6458 Valid, 15098 Invalid, 11785 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4223 Valid, 7559 Invalid, 3 Unknown, 0 Unchecked, 30.4s Time] [2022-07-20 03:11:09,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37275 states. [2022-07-20 03:11:11,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37275 to 32965. [2022-07-20 03:11:11,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32965 states, 23647 states have (on average 1.3017718949549626) internal successors, (30783), 24065 states have internal predecessors, (30783), 7613 states have call successors, (7613), 1676 states have call predecessors, (7613), 1704 states have return successors, (7701), 7439 states have call predecessors, (7701), 7613 states have call successors, (7701) [2022-07-20 03:11:11,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32965 states to 32965 states and 46097 transitions. [2022-07-20 03:11:11,725 INFO L78 Accepts]: Start accepts. Automaton has 32965 states and 46097 transitions. Word has length 405 [2022-07-20 03:11:11,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:11:11,726 INFO L495 AbstractCegarLoop]: Abstraction has 32965 states and 46097 transitions. [2022-07-20 03:11:11,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-20 03:11:11,726 INFO L276 IsEmpty]: Start isEmpty. Operand 32965 states and 46097 transitions. [2022-07-20 03:11:11,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-07-20 03:11:11,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:11:11,781 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 13, 13, 13, 13, 13, 13, 9, 9, 9, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:11:11,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 03:11:11,785 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:11:11,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:11:11,786 INFO L85 PathProgramCache]: Analyzing trace with hash 615518176, now seen corresponding path program 1 times [2022-07-20 03:11:11,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:11:11,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639386536] [2022-07-20 03:11:11,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:11:11,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:11:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:11:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:11:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:11:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:11:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:11:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:11:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:11:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:11:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:11:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:11:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:11:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:11:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:11:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:11:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:11:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:11:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:11:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:11:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 03:11:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 03:11:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 03:11:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 03:11:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:11:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:11:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:11:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:11:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:11:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 03:11:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 03:11:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-20 03:11:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-20 03:11:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:11:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:11:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-20 03:11:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-20 03:11:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:11:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:11:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-20 03:11:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-20 03:11:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 03:11:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 03:11:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:12,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-07-20 03:11:12,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:11:12,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639386536] [2022-07-20 03:11:12,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639386536] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:11:12,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:11:12,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:11:12,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900192256] [2022-07-20 03:11:12,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:11:12,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:11:12,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:11:12,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:11:12,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:11:12,780 INFO L87 Difference]: Start difference. First operand 32965 states and 46097 transitions. Second operand has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-20 03:11:18,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:23,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:25,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:27,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:34,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:35,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:36,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:39,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:11:39,387 INFO L93 Difference]: Finished difference Result 79061 states and 111284 transitions. [2022-07-20 03:11:39,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 03:11:39,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) Word has length 405 [2022-07-20 03:11:39,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:11:39,554 INFO L225 Difference]: With dead ends: 79061 [2022-07-20 03:11:39,554 INFO L226 Difference]: Without dead ends: 46127 [2022-07-20 03:11:39,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-20 03:11:39,649 INFO L413 NwaCegarLoop]: 6374 mSDtfsCounter, 6033 mSDsluCounter, 8814 mSDsCounter, 0 mSdLazyCounter, 7597 mSolverCounterSat, 4197 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6481 SdHoareTripleChecker+Valid, 15188 SdHoareTripleChecker+Invalid, 11795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4197 IncrementalHoareTripleChecker+Valid, 7597 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:11:39,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6481 Valid, 15188 Invalid, 11795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4197 Valid, 7597 Invalid, 1 Unknown, 0 Unchecked, 25.2s Time] [2022-07-20 03:11:39,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46127 states. [2022-07-20 03:11:41,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46127 to 40775. [2022-07-20 03:11:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40775 states, 29273 states have (on average 1.3020530864619273) internal successors, (38115), 29784 states have internal predecessors, (38115), 9392 states have call successors, (9392), 2078 states have call predecessors, (9392), 2109 states have return successors, (9492), 9176 states have call predecessors, (9492), 9392 states have call successors, (9492) [2022-07-20 03:11:41,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40775 states to 40775 states and 56999 transitions. [2022-07-20 03:11:41,521 INFO L78 Accepts]: Start accepts. Automaton has 40775 states and 56999 transitions. Word has length 405 [2022-07-20 03:11:41,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:11:41,522 INFO L495 AbstractCegarLoop]: Abstraction has 40775 states and 56999 transitions. [2022-07-20 03:11:41,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (49), 5 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-20 03:11:41,523 INFO L276 IsEmpty]: Start isEmpty. Operand 40775 states and 56999 transitions. [2022-07-20 03:11:41,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-20 03:11:41,546 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:11:41,546 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 15, 15, 15, 15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:11:41,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 03:11:41,547 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:11:41,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:11:41,547 INFO L85 PathProgramCache]: Analyzing trace with hash 290219334, now seen corresponding path program 1 times [2022-07-20 03:11:41,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:11:41,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687092938] [2022-07-20 03:11:41,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:11:41,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:11:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:11:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:11:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:11:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:11:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:11:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:11:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:11:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:11:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:11:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:11:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:11:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:11:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:11:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:11:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:11:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:11:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:11:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 03:11:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 03:11:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 03:11:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 03:11:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-20 03:11:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:11:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 03:11:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 03:11:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 03:11:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:11:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:11:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-20 03:11:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:11:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:11:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 03:11:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-20 03:11:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 03:11:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 03:11:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-20 03:11:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-20 03:11:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:11:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-20 03:11:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-20 03:11:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-20 03:11:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:11:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-20 03:11:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:11:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-20 03:11:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2022-07-20 03:11:42,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:11:42,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687092938] [2022-07-20 03:11:42,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687092938] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:11:42,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:11:42,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:11:42,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821821182] [2022-07-20 03:11:42,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:11:42,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:11:42,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:11:42,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:11:42,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:11:42,465 INFO L87 Difference]: Start difference. First operand 40775 states and 56999 transitions. Second operand has 5 states, 5 states have (on average 37.4) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-20 03:11:46,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:49,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:11:49,799 INFO L93 Difference]: Finished difference Result 70875 states and 98842 transitions. [2022-07-20 03:11:49,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 03:11:49,800 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 487 [2022-07-20 03:11:49,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:11:49,916 INFO L225 Difference]: With dead ends: 70875 [2022-07-20 03:11:49,916 INFO L226 Difference]: Without dead ends: 30131 [2022-07-20 03:11:50,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-20 03:11:50,020 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 5359 mSDsluCounter, 2300 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 2815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5664 SdHoareTripleChecker+Valid, 5704 SdHoareTripleChecker+Invalid, 4471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2815 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:11:50,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5664 Valid, 5704 Invalid, 4471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2815 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-20 03:11:50,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30131 states. [2022-07-20 03:11:51,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30131 to 28811. [2022-07-20 03:11:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28811 states, 20451 states have (on average 1.2866363503007188) internal successors, (26313), 20846 states have internal predecessors, (26313), 6736 states have call successors, (6736), 1604 states have call predecessors, (6736), 1623 states have return successors, (6784), 6584 states have call predecessors, (6784), 6736 states have call successors, (6784) [2022-07-20 03:11:51,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28811 states to 28811 states and 39833 transitions. [2022-07-20 03:11:51,266 INFO L78 Accepts]: Start accepts. Automaton has 28811 states and 39833 transitions. Word has length 487 [2022-07-20 03:11:51,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:11:51,267 INFO L495 AbstractCegarLoop]: Abstraction has 28811 states and 39833 transitions. [2022-07-20 03:11:51,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.4) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-20 03:11:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 28811 states and 39833 transitions. [2022-07-20 03:11:51,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-07-20 03:11:51,289 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:11:51,290 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 13, 13, 13, 11, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:11:51,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 03:11:51,290 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:11:51,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:11:51,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1849552496, now seen corresponding path program 1 times [2022-07-20 03:11:51,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:11:51,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128185146] [2022-07-20 03:11:51,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:11:51,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:11:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:11:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:11:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:11:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:11:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:11:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:11:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:11:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:11:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:11:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:11:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:11:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:11:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:11:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:11:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:11:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:11:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:11:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:11:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 03:11:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 03:11:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 03:11:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 03:11:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:11:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:11:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:11:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:11:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:11:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 03:11:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 03:11:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 03:11:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-20 03:11:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:11:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 03:11:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 03:11:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 03:11:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:11:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:11:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 03:11:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-20 03:11:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:11:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:11:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-20 03:11:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-20 03:11:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:11:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 03:11:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-20 03:11:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:11:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1382 trivial. 0 not checked. [2022-07-20 03:11:51,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:11:51,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128185146] [2022-07-20 03:11:51,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128185146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:11:51,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:11:51,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:11:51,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101401737] [2022-07-20 03:11:51,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:11:51,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:11:51,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:11:51,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:11:51,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:11:51,938 INFO L87 Difference]: Start difference. First operand 28811 states and 39833 transitions. Second operand has 6 states, 5 states have (on average 34.4) internal successors, (172), 3 states have internal predecessors, (172), 4 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-20 03:11:56,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:11:57,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:12:03,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:12:07,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:12:10,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:12:16,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:12:16,819 INFO L93 Difference]: Finished difference Result 65073 states and 90396 transitions. [2022-07-20 03:12:16,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-20 03:12:16,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.4) internal successors, (172), 3 states have internal predecessors, (172), 4 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) Word has length 461 [2022-07-20 03:12:16,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:12:16,945 INFO L225 Difference]: With dead ends: 65073 [2022-07-20 03:12:16,945 INFO L226 Difference]: Without dead ends: 36293 [2022-07-20 03:12:17,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-07-20 03:12:17,014 INFO L413 NwaCegarLoop]: 4873 mSDtfsCounter, 5274 mSDsluCounter, 6773 mSDsCounter, 0 mSdLazyCounter, 6400 mSolverCounterSat, 4106 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5656 SdHoareTripleChecker+Valid, 11646 SdHoareTripleChecker+Invalid, 10508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4106 IncrementalHoareTripleChecker+Valid, 6400 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:12:17,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5656 Valid, 11646 Invalid, 10508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4106 Valid, 6400 Invalid, 2 Unknown, 0 Unchecked, 23.4s Time] [2022-07-20 03:12:17,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36293 states. [2022-07-20 03:12:18,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36293 to 33215. [2022-07-20 03:12:18,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33215 states, 23575 states have (on average 1.2860657476139978) internal successors, (30319), 24034 states have internal predecessors, (30319), 7758 states have call successors, (7758), 1862 states have call predecessors, (7758), 1881 states have return successors, (7806), 7580 states have call predecessors, (7806), 7758 states have call successors, (7806) [2022-07-20 03:12:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33215 states to 33215 states and 45883 transitions. [2022-07-20 03:12:18,419 INFO L78 Accepts]: Start accepts. Automaton has 33215 states and 45883 transitions. Word has length 461 [2022-07-20 03:12:18,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:12:18,420 INFO L495 AbstractCegarLoop]: Abstraction has 33215 states and 45883 transitions. [2022-07-20 03:12:18,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.4) internal successors, (172), 3 states have internal predecessors, (172), 4 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-20 03:12:18,420 INFO L276 IsEmpty]: Start isEmpty. Operand 33215 states and 45883 transitions. [2022-07-20 03:12:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-07-20 03:12:18,440 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:12:18,440 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 13, 13, 13, 13, 13, 13, 11, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:12:18,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 03:12:18,441 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 03:12:18,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:12:18,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1974058450, now seen corresponding path program 1 times [2022-07-20 03:12:18,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:12:18,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067793946] [2022-07-20 03:12:18,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:12:18,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:12:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:12:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:12:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:12:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:12:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:12:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:12:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:12:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:12:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:12:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:12:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:12:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:12:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:12:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 03:12:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 03:12:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 03:12:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:12:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:12:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 03:12:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 03:12:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 03:12:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 03:12:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:12:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:12:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:18,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:12:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:12:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:12:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 03:12:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 03:12:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 03:12:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-20 03:12:19,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:12:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 03:12:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 03:12:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-20 03:12:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 03:12:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 03:12:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 03:12:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-20 03:12:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:12:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 03:12:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-20 03:12:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-20 03:12:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:12:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 03:12:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-20 03:12:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:12:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1382 trivial. 0 not checked. [2022-07-20 03:12:19,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:12:19,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067793946] [2022-07-20 03:12:19,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067793946] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:12:19,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:12:19,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:12:19,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786953743] [2022-07-20 03:12:19,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:12:19,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:12:19,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:12:19,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:12:19,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:12:19,176 INFO L87 Difference]: Start difference. First operand 33215 states and 45883 transitions. Second operand has 6 states, 5 states have (on average 34.4) internal successors, (172), 3 states have internal predecessors, (172), 4 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-20 03:12:23,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:12:29,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:12:31,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []