/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 07:11:33,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 07:11:33,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 07:11:33,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 07:11:33,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 07:11:33,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 07:11:33,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 07:11:33,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 07:11:33,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 07:11:33,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 07:11:33,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 07:11:33,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 07:11:33,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 07:11:33,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 07:11:33,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 07:11:33,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 07:11:33,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 07:11:33,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 07:11:33,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 07:11:33,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 07:11:33,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 07:11:33,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 07:11:33,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 07:11:33,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 07:11:33,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 07:11:33,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 07:11:33,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 07:11:33,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 07:11:33,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 07:11:33,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 07:11:33,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 07:11:33,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 07:11:33,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 07:11:33,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 07:11:33,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 07:11:33,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 07:11:33,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 07:11:33,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 07:11:33,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 07:11:33,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 07:11:33,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 07:11:33,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 07:11:33,975 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 07:11:33,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 07:11:33,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 07:11:33,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 07:11:33,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 07:11:33,977 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 07:11:33,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 07:11:33,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 07:11:33,978 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 07:11:33,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 07:11:33,979 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 07:11:33,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 07:11:33,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 07:11:33,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 07:11:33,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 07:11:33,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 07:11:33,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 07:11:33,980 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 07:11:33,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 07:11:33,980 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 07:11:33,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 07:11:33,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 07:11:33,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 07:11:33,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 07:11:33,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:11:33,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 07:11:33,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 07:11:33,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 07:11:33,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 07:11:33,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 07:11:33,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 07:11:33,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 07:11:33,983 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 07:11:33,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 07:11:33,983 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 07:11:33,983 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 07:11:34,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 07:11:34,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 07:11:34,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 07:11:34,288 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 07:11:34,288 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 07:11:34,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2023-04-02 07:11:35,525 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 07:11:36,012 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 07:11:36,013 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2023-04-02 07:11:36,054 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb4c47a12/ddc3d4a4bb0248bda9e93b36b0e8fa38/FLAGd7ba3688d [2023-04-02 07:11:36,069 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb4c47a12/ddc3d4a4bb0248bda9e93b36b0e8fa38 [2023-04-02 07:11:36,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 07:11:36,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 07:11:36,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 07:11:36,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 07:11:36,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 07:11:36,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:11:36" (1/1) ... [2023-04-02 07:11:36,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429dc954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:36, skipping insertion in model container [2023-04-02 07:11:36,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 07:11:36" (1/1) ... [2023-04-02 07:11:36,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 07:11:36,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 07:11:37,450 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2023-04-02 07:11:37,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:11:37,524 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 07:11:37,839 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2023-04-02 07:11:37,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 07:11:38,028 INFO L208 MainTranslator]: Completed translation [2023-04-02 07:11:38,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:38 WrapperNode [2023-04-02 07:11:38,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 07:11:38,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 07:11:38,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 07:11:38,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 07:11:38,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:38" (1/1) ... [2023-04-02 07:11:38,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:38" (1/1) ... [2023-04-02 07:11:38,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:38" (1/1) ... [2023-04-02 07:11:38,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:38" (1/1) ... [2023-04-02 07:11:38,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:38" (1/1) ... [2023-04-02 07:11:38,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:38" (1/1) ... [2023-04-02 07:11:38,329 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:38" (1/1) ... [2023-04-02 07:11:38,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:38" (1/1) ... [2023-04-02 07:11:38,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 07:11:38,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 07:11:38,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 07:11:38,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 07:11:38,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:38" (1/1) ... [2023-04-02 07:11:38,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 07:11:38,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:11:38,420 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) [2023-04-02 07:11:38,442 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 [2023-04-02 07:11:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 07:11:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 07:11:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2023-04-02 07:11:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2023-04-02 07:11:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~__be16~0 [2023-04-02 07:11:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 07:11:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-02 07:11:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-02 07:11:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-04-02 07:11:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2023-04-02 07:11:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-02 07:11:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-04-02 07:11:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-04-02 07:11:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-02 07:11:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-02 07:11:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 07:11:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 07:11:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-04-02 07:11:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2023-04-02 07:11:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-04-02 07:11:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-04-02 07:11:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2023-04-02 07:11:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-04-02 07:11:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2023-04-02 07:11:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2023-04-02 07:11:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2023-04-02 07:11:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-02 07:11:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-02 07:11:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-04-02 07:11:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-04-02 07:11:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2023-04-02 07:11:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-04-02 07:11:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-04-02 07:11:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 07:11:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 07:11:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2023-04-02 07:11:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-04-02 07:11:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2023-04-02 07:11:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2023-04-02 07:11:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent [2023-04-02 07:11:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_coherent [2023-04-02 07:11:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-04-02 07:11:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-04-02 07:11:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-04-02 07:11:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-04-02 07:11:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-02 07:11:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-02 07:11:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2023-04-02 07:11:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-02 07:11:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-02 07:11:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-02 07:11:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2023-04-02 07:11:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-02 07:11:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-02 07:11:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-02 07:11:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-02 07:11:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-02 07:11:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-04-02 07:11:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-04-02 07:11:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2023-04-02 07:11:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2023-04-02 07:11:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_tx_work_q [2023-04-02 07:11:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_int_work_q [2023-04-02 07:11:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2023-04-02 07:11:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpurelease [2023-04-02 07:11:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2023-04-02 07:11:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_enable_intr [2023-04-02 07:11:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2023-04-02 07:11:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2023-04-02 07:11:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init_dma [2023-04-02 07:11:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_dma_complete [2023-04-02 07:11:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2023-04-02 07:11:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_dma_complete [2023-04-02 07:11:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_dma [2023-04-02 07:11:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_dma [2023-04-02 07:11:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2023-04-02 07:11:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_op_raise [2023-04-02 07:11:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_op_lower [2023-04-02 07:11:38,474 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_rx_config [2023-04-02 07:11:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_config [2023-04-02 07:11:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_te1_alarm [2023-04-02 07:11:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_ctlchg [2023-04-02 07:11:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_log_rx_error [2023-04-02 07:11:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_recover_rx_error [2023-04-02 07:11:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr_rx [2023-04-02 07:11:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_tx [2023-04-02 07:11:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure do_bottom_half_rx [2023-04-02 07:11:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_intr [2023-04-02 07:11:38,476 INFO L138 BoogieDeclarations]: Found implementation of procedure check_started_ok [2023-04-02 07:11:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure set_conf_from_info [2023-04-02 07:11:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure gather_conf_info [2023-04-02 07:11:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_set_iface [2023-04-02 07:11:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_get_iface [2023-04-02 07:11:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_ioctl [2023-04-02 07:11:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_openport [2023-04-02 07:11:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_closeport [2023-04-02 07:11:38,477 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_open [2023-04-02 07:11:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_close [2023-04-02 07:11:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_attach [2023-04-02 07:11:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_tx_timeout [2023-04-02 07:11:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_start_xmit [2023-04-02 07:11:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init_card [2023-04-02 07:11:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_add_one [2023-04-02 07:11:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_remove_one [2023-04-02 07:11:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_init [2023-04-02 07:11:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cleanup_module [2023-04-02 07:11:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 07:11:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-04-02 07:11:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2023-04-02 07:11:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-04-02 07:11:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-04-02 07:11:38,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2023-04-02 07:11:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2023-04-02 07:11:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 07:11:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2023-04-02 07:11:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2023-04-02 07:11:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_3 [2023-04-02 07:11:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 07:11:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 07:11:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 07:11:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2023-04-02 07:11:38,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2023-04-02 07:11:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 07:11:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2023-04-02 07:11:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-02 07:11:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-02 07:11:38,481 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-02 07:11:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 07:11:38,482 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_hdlcdev [2023-04-02 07:11:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-02 07:11:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-02 07:11:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2023-04-02 07:11:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2023-04-02 07:11:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-04-02 07:11:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-02 07:11:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-02 07:11:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-02 07:11:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-02 07:11:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_close [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_open [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-04-02 07:11:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_read_config_byte [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_write_config_byte [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-02 07:11:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-02 07:11:38,495 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2023-04-02 07:11:38,495 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-02 07:11:38,495 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_device [2023-04-02 07:11:38,495 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2023-04-02 07:11:38,495 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-04-02 07:11:38,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 07:11:38,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 07:11:38,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-02 07:11:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 07:11:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 07:11:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 07:11:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 07:11:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 07:11:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 07:11:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-02 07:11:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-02 07:11:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-04-02 07:11:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2023-04-02 07:11:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-02 07:11:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 07:11:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 07:11:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2023-04-02 07:11:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-04-02 07:11:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-02 07:11:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2023-04-02 07:11:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 07:11:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-04-02 07:11:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 07:11:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-04-02 07:11:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-02 07:11:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-02 07:11:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 07:11:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-02 07:11:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 07:11:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 07:11:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 07:11:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-04-02 07:11:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2023-04-02 07:11:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-04-02 07:11:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-04-02 07:11:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2023-04-02 07:11:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-04-02 07:11:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-04-02 07:11:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2023-04-02 07:11:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-02 07:11:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-04-02 07:11:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2023-04-02 07:11:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-02 07:11:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2023-04-02 07:11:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-02 07:11:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-02 07:11:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-04-02 07:11:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-04-02 07:11:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2023-04-02 07:11:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 07:11:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2023-04-02 07:11:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2023-04-02 07:11:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_3 [2023-04-02 07:11:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-04-02 07:11:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2023-04-02 07:11:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-04-02 07:11:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2023-04-02 07:11:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2023-04-02 07:11:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-02 07:11:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-02 07:11:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_write_config_byte [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 07:11:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 07:11:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 07:11:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 07:11:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2023-04-02 07:11:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-04-02 07:11:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-04-02 07:11:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-04-02 07:11:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2023-04-02 07:11:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2023-04-02 07:11:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent [2023-04-02 07:11:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~TO~$Pointer$ [2023-04-02 07:11:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_coherent [2023-04-02 07:11:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~TO~VOID [2023-04-02 07:11:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-04-02 07:11:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-04-02 07:11:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-04-02 07:11:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-04-02 07:11:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-02 07:11:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2023-04-02 07:11:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-02 07:11:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-02 07:11:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-02 07:11:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-02 07:11:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-02 07:11:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-02 07:11:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2023-04-02 07:11:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 07:11:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-04-02 07:11:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-02 07:11:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-02 07:11:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-02 07:11:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-02 07:11:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_device [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_hdlcdev [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_open [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_close [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_start_xmit [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2023-04-02 07:11:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~__be16~0 [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_tx [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure do_bottom_half_rx [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_tx_work_q [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_int_work_q [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpurelease [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure fst_enable_intr [2023-04-02 07:11:38,514 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init_dma [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_dma_complete [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_dma_complete [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_dma [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_dma [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_op_raise [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_op_lower [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_rx_config [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_config [2023-04-02 07:11:38,515 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_te1_alarm [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_ctlchg [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure fst_log_rx_error [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure fst_recover_rx_error [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr_rx [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure fst_intr [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure check_started_ok [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure set_conf_from_info [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure gather_conf_info [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure fst_set_iface [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure fst_get_iface [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure fst_ioctl [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure fst_openport [2023-04-02 07:11:38,516 INFO L130 BoogieDeclarations]: Found specification of procedure fst_closeport [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure fst_open [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure fst_close [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure fst_attach [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure fst_tx_timeout [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure fst_start_xmit [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init_card [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure fst_add_one [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure fst_remove_one [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure fst_init [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cleanup_module [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-02 07:11:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 07:11:38,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 07:11:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 07:11:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 07:11:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-02 07:11:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-02 07:11:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-02 07:11:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-02 07:11:39,238 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 07:11:39,243 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 07:11:40,110 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:11:40,162 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2023-04-02 07:11:40,162 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2023-04-02 07:11:40,663 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:11:40,743 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume !false; [2023-04-02 07:11:40,743 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume false; [2023-04-02 07:11:41,111 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:11:41,138 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2023-04-02 07:11:41,139 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-04-02 07:11:41,150 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2023-04-02 07:11:41,437 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:11:41,440 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:11:41,538 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-04-02 07:11:41,538 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false;call ULTIMATE.dealloc(~#wrthdr~0.base, ~#wrthdr~0.offset);havoc ~#wrthdr~0.base, ~#wrthdr~0.offset;call ULTIMATE.dealloc(~#info~0.base, ~#info~0.offset);havoc ~#info~0.base, ~#info~0.offset; [2023-04-02 07:11:41,538 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume !false; [2023-04-02 07:11:41,538 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume false; [2023-04-02 07:11:41,544 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:11:41,544 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-02 07:11:41,595 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2023-04-02 07:11:41,595 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2023-04-02 07:11:41,595 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2023-04-02 07:11:41,595 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2023-04-02 07:11:43,017 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 07:11:43,033 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 07:11:43,034 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 07:11:43,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:11:43 BoogieIcfgContainer [2023-04-02 07:11:43,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 07:11:43,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 07:11:43,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 07:11:43,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 07:11:43,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 07:11:36" (1/3) ... [2023-04-02 07:11:43,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c2969d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:11:43, skipping insertion in model container [2023-04-02 07:11:43,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 07:11:38" (2/3) ... [2023-04-02 07:11:43,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c2969d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 07:11:43, skipping insertion in model container [2023-04-02 07:11:43,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 07:11:43" (3/3) ... [2023-04-02 07:11:43,046 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2023-04-02 07:11:43,063 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 07:11:43,063 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 07:11:43,135 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 07:11:43,142 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41808804, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 07:11:43,142 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 07:11:43,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 1772 states, 1148 states have (on average 1.274390243902439) internal successors, (1463), 1170 states have internal predecessors, (1463), 457 states have call successors, (457), 159 states have call predecessors, (457), 159 states have return successors, (457), 455 states have call predecessors, (457), 457 states have call successors, (457) [2023-04-02 07:11:43,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-04-02 07:11:43,160 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:11:43,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:11:43,161 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:11:43,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:11:43,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1488386101, now seen corresponding path program 1 times [2023-04-02 07:11:43,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:11:43,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542523995] [2023-04-02 07:11:43,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:11:43,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:11:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:11:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:43,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:11:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:11:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:11:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:43,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:11:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:11:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:11:43,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:11:43,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542523995] [2023-04-02 07:11:43,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542523995] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:11:43,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:11:43,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 07:11:44,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487662802] [2023-04-02 07:11:44,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:11:44,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 07:11:44,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:11:44,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 07:11:44,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-02 07:11:44,032 INFO L87 Difference]: Start difference. First operand has 1772 states, 1148 states have (on average 1.274390243902439) internal successors, (1463), 1170 states have internal predecessors, (1463), 457 states have call successors, (457), 159 states have call predecessors, (457), 159 states have return successors, (457), 455 states have call predecessors, (457), 457 states have call successors, (457) Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 07:11:55,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:11:55,094 INFO L93 Difference]: Finished difference Result 3128 states and 4219 transitions. [2023-04-02 07:11:55,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-02 07:11:55,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 34 [2023-04-02 07:11:55,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:11:55,129 INFO L225 Difference]: With dead ends: 3128 [2023-04-02 07:11:55,129 INFO L226 Difference]: Without dead ends: 1680 [2023-04-02 07:11:55,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-02 07:11:55,150 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 1538 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 4420 mSolverCounterSat, 1155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1594 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 5575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1155 IncrementalHoareTripleChecker+Valid, 4420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:11:55,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1594 Valid, 1189 Invalid, 5575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1155 Valid, 4420 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2023-04-02 07:11:55,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2023-04-02 07:11:55,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1446. [2023-04-02 07:11:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 937 states have (on average 1.2614727854855923) internal successors, (1182), 952 states have internal predecessors, (1182), 369 states have call successors, (369), 142 states have call predecessors, (369), 139 states have return successors, (365), 364 states have call predecessors, (365), 365 states have call successors, (365) [2023-04-02 07:11:55,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 1916 transitions. [2023-04-02 07:11:55,543 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 1916 transitions. Word has length 34 [2023-04-02 07:11:55,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:11:55,543 INFO L495 AbstractCegarLoop]: Abstraction has 1446 states and 1916 transitions. [2023-04-02 07:11:55,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 07:11:55,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1916 transitions. [2023-04-02 07:11:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-04-02 07:11:55,545 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:11:55,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:11:55,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 07:11:55,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:11:55,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:11:55,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1623746503, now seen corresponding path program 1 times [2023-04-02 07:11:55,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:11:55,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987407001] [2023-04-02 07:11:55,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:11:55,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:11:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:55,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:11:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:55,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:11:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:55,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:11:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:55,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:11:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:11:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 07:11:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:55,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:11:55,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:11:55,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987407001] [2023-04-02 07:11:55,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987407001] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:11:55,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222879682] [2023-04-02 07:11:55,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:11:55,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:11:55,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:11:55,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:11:56,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 07:11:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:11:56,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 07:11:56,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:11:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:11:56,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 07:11:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:11:56,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222879682] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 07:11:56,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 07:11:56,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2023-04-02 07:11:56,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314253242] [2023-04-02 07:11:56,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 07:11:56,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 07:11:56,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:11:56,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 07:11:56,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-04-02 07:11:56,589 INFO L87 Difference]: Start difference. First operand 1446 states and 1916 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-02 07:12:07,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:07,754 INFO L93 Difference]: Finished difference Result 3117 states and 4160 transitions. [2023-04-02 07:12:07,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 07:12:07,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 36 [2023-04-02 07:12:07,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:07,763 INFO L225 Difference]: With dead ends: 3117 [2023-04-02 07:12:07,763 INFO L226 Difference]: Without dead ends: 1685 [2023-04-02 07:12:07,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-04-02 07:12:07,768 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 1535 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 7431 mSolverCounterSat, 1139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 2212 SdHoareTripleChecker+Invalid, 8570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1139 IncrementalHoareTripleChecker+Valid, 7431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:07,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 2212 Invalid, 8570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1139 Valid, 7431 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-04-02 07:12:07,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2023-04-02 07:12:08,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1452. [2023-04-02 07:12:08,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 943 states have (on average 1.2598091198303287) internal successors, (1188), 958 states have internal predecessors, (1188), 369 states have call successors, (369), 142 states have call predecessors, (369), 139 states have return successors, (365), 364 states have call predecessors, (365), 365 states have call successors, (365) [2023-04-02 07:12:08,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1922 transitions. [2023-04-02 07:12:08,032 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1922 transitions. Word has length 36 [2023-04-02 07:12:08,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:08,033 INFO L495 AbstractCegarLoop]: Abstraction has 1452 states and 1922 transitions. [2023-04-02 07:12:08,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-02 07:12:08,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1922 transitions. [2023-04-02 07:12:08,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-02 07:12:08,034 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:08,034 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:08,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 07:12:08,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:12:08,244 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:08,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:08,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1016779333, now seen corresponding path program 2 times [2023-04-02 07:12:08,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:08,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284230085] [2023-04-02 07:12:08,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:08,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:08,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 07:12:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:08,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 07:12:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 07:12:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 07:12:08,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:08,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284230085] [2023-04-02 07:12:08,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284230085] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:08,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:08,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-02 07:12:08,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663060849] [2023-04-02 07:12:08,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:08,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 07:12:08,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:08,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 07:12:08,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-02 07:12:08,692 INFO L87 Difference]: Start difference. First operand 1452 states and 1922 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 07:12:23,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:23,116 INFO L93 Difference]: Finished difference Result 4729 states and 6333 transitions. [2023-04-02 07:12:23,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 07:12:23,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2023-04-02 07:12:23,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:23,137 INFO L225 Difference]: With dead ends: 4729 [2023-04-02 07:12:23,137 INFO L226 Difference]: Without dead ends: 3298 [2023-04-02 07:12:23,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-04-02 07:12:23,143 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 4212 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 5084 mSolverCounterSat, 2478 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4430 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 7562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2478 IncrementalHoareTripleChecker+Valid, 5084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:23,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4430 Valid, 1185 Invalid, 7562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2478 Valid, 5084 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2023-04-02 07:12:23,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3298 states. [2023-04-02 07:12:23,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3298 to 2880. [2023-04-02 07:12:23,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2880 states, 1872 states have (on average 1.2590811965811965) internal successors, (2357), 1902 states have internal predecessors, (2357), 729 states have call successors, (729), 275 states have call predecessors, (729), 278 states have return successors, (737), 726 states have call predecessors, (737), 725 states have call successors, (737) [2023-04-02 07:12:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3823 transitions. [2023-04-02 07:12:23,594 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3823 transitions. Word has length 42 [2023-04-02 07:12:23,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:23,595 INFO L495 AbstractCegarLoop]: Abstraction has 2880 states and 3823 transitions. [2023-04-02 07:12:23,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-04-02 07:12:23,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3823 transitions. [2023-04-02 07:12:23,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-04-02 07:12:23,601 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:23,601 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:23,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 07:12:23,601 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:23,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:23,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1805800951, now seen corresponding path program 1 times [2023-04-02 07:12:23,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:23,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716095208] [2023-04-02 07:12:23,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:23,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:24,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:24,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 07:12:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 07:12:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 07:12:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 07:12:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:12:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:24,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 07:12:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 07:12:24,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:24,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716095208] [2023-04-02 07:12:24,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716095208] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:24,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:12:24,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 07:12:24,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503360509] [2023-04-02 07:12:24,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:24,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 07:12:24,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:24,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 07:12:24,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-04-02 07:12:24,248 INFO L87 Difference]: Start difference. First operand 2880 states and 3823 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-02 07:12:39,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:39,281 INFO L93 Difference]: Finished difference Result 6037 states and 8054 transitions. [2023-04-02 07:12:39,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 07:12:39,281 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2023-04-02 07:12:39,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:39,298 INFO L225 Difference]: With dead ends: 6037 [2023-04-02 07:12:39,298 INFO L226 Difference]: Without dead ends: 3189 [2023-04-02 07:12:39,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2023-04-02 07:12:39,308 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 2004 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 13199 mSolverCounterSat, 1174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2241 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 14373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1174 IncrementalHoareTripleChecker+Valid, 13199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:39,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2241 Valid, 426 Invalid, 14373 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1174 Valid, 13199 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2023-04-02 07:12:39,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3189 states. [2023-04-02 07:12:39,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3189 to 2773. [2023-04-02 07:12:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2773 states, 1809 states have (on average 1.2581536760641239) internal successors, (2276), 1836 states have internal predecessors, (2276), 694 states have call successors, (694), 269 states have call predecessors, (694), 269 states have return successors, (696), 690 states have call predecessors, (696), 690 states have call successors, (696) [2023-04-02 07:12:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 3666 transitions. [2023-04-02 07:12:39,908 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 3666 transitions. Word has length 82 [2023-04-02 07:12:39,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:39,908 INFO L495 AbstractCegarLoop]: Abstraction has 2773 states and 3666 transitions. [2023-04-02 07:12:39,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (16), 5 states have call predecessors, (16), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2023-04-02 07:12:39,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3666 transitions. [2023-04-02 07:12:39,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-04-02 07:12:39,914 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:39,914 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:39,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 07:12:39,915 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:39,915 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:39,915 INFO L85 PathProgramCache]: Analyzing trace with hash -970166477, now seen corresponding path program 1 times [2023-04-02 07:12:39,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:39,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866841332] [2023-04-02 07:12:39,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:39,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 07:12:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 07:12:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 07:12:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-04-02 07:12:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:12:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-04-02 07:12:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:12:40,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:40,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866841332] [2023-04-02 07:12:40,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866841332] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:12:40,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727433162] [2023-04-02 07:12:40,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:40,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:12:40,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:12:40,414 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:12:40,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 07:12:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:40,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 07:12:40,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:12:40,984 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:12:40,984 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 07:12:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:12:41,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727433162] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 07:12:41,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 07:12:41,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 16 [2023-04-02 07:12:41,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357938330] [2023-04-02 07:12:41,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 07:12:41,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 07:12:41,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:41,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 07:12:41,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2023-04-02 07:12:41,129 INFO L87 Difference]: Start difference. First operand 2773 states and 3666 transitions. Second operand has 16 states, 16 states have (on average 6.125) internal successors, (98), 13 states have internal predecessors, (98), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-04-02 07:12:51,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 07:12:55,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:12:55,194 INFO L93 Difference]: Finished difference Result 5952 states and 7921 transitions. [2023-04-02 07:12:55,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-02 07:12:55,197 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.125) internal successors, (98), 13 states have internal predecessors, (98), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 88 [2023-04-02 07:12:55,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:12:55,213 INFO L225 Difference]: With dead ends: 5952 [2023-04-02 07:12:55,213 INFO L226 Difference]: Without dead ends: 3199 [2023-04-02 07:12:55,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2023-04-02 07:12:55,222 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 3006 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 9327 mSolverCounterSat, 1619 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 10946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1619 IncrementalHoareTripleChecker+Valid, 9327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:12:55,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3242 Valid, 310 Invalid, 10946 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1619 Valid, 9327 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2023-04-02 07:12:55,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2023-04-02 07:12:55,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 2785. [2023-04-02 07:12:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2785 states, 1821 states have (on average 1.256452498627128) internal successors, (2288), 1848 states have internal predecessors, (2288), 694 states have call successors, (694), 269 states have call predecessors, (694), 269 states have return successors, (696), 690 states have call predecessors, (696), 690 states have call successors, (696) [2023-04-02 07:12:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2785 states and 3678 transitions. [2023-04-02 07:12:55,825 INFO L78 Accepts]: Start accepts. Automaton has 2785 states and 3678 transitions. Word has length 88 [2023-04-02 07:12:55,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:12:55,826 INFO L495 AbstractCegarLoop]: Abstraction has 2785 states and 3678 transitions. [2023-04-02 07:12:55,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.125) internal successors, (98), 13 states have internal predecessors, (98), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-04-02 07:12:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3678 transitions. [2023-04-02 07:12:55,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-04-02 07:12:55,831 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:12:55,832 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:12:55,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 07:12:56,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:12:56,045 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:12:56,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:12:56,049 INFO L85 PathProgramCache]: Analyzing trace with hash -141341109, now seen corresponding path program 2 times [2023-04-02 07:12:56,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:12:56,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920621339] [2023-04-02 07:12:56,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:12:56,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:12:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:12:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:12:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:12:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 07:12:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 07:12:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 07:12:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-04-02 07:12:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 07:12:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:12:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:12:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 07:12:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:12:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:12:56,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:12:56,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920621339] [2023-04-02 07:12:56,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920621339] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:12:56,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652586095] [2023-04-02 07:12:56,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-04-02 07:12:56,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:12:56,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:12:56,813 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:12:56,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 07:12:57,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-04-02 07:12:57,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-04-02 07:12:57,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 15 conjunts are in the unsatisfiable core [2023-04-02 07:12:57,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:12:57,583 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 07:12:57,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:12:57,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652586095] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:12:57,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:12:57,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 20 [2023-04-02 07:12:57,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726833723] [2023-04-02 07:12:57,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:12:57,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-02 07:12:57,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:12:57,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-02 07:12:57,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2023-04-02 07:12:57,586 INFO L87 Difference]: Start difference. First operand 2785 states and 3678 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 5 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-02 07:13:05,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:05,475 INFO L93 Difference]: Finished difference Result 4159 states and 5514 transitions. [2023-04-02 07:13:05,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 07:13:05,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 5 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 100 [2023-04-02 07:13:05,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:05,491 INFO L225 Difference]: With dead ends: 4159 [2023-04-02 07:13:05,492 INFO L226 Difference]: Without dead ends: 4156 [2023-04-02 07:13:05,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2023-04-02 07:13:05,494 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 3833 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 7674 mSolverCounterSat, 2370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3849 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 10044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2370 IncrementalHoareTripleChecker+Valid, 7674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:05,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3849 Valid, 457 Invalid, 10044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2370 Valid, 7674 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-04-02 07:13:05,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4156 states. [2023-04-02 07:13:06,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4156 to 4118. [2023-04-02 07:13:06,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4118 states, 2692 states have (on average 1.2578008915304606) internal successors, (3386), 2733 states have internal predecessors, (3386), 1022 states have call successors, (1022), 398 states have call predecessors, (1022), 403 states have return successors, (1038), 1020 states have call predecessors, (1038), 1018 states have call successors, (1038) [2023-04-02 07:13:06,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4118 states to 4118 states and 5446 transitions. [2023-04-02 07:13:06,232 INFO L78 Accepts]: Start accepts. Automaton has 4118 states and 5446 transitions. Word has length 100 [2023-04-02 07:13:06,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:06,233 INFO L495 AbstractCegarLoop]: Abstraction has 4118 states and 5446 transitions. [2023-04-02 07:13:06,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 5 states have call successors, (17), 5 states have call predecessors, (17), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-02 07:13:06,233 INFO L276 IsEmpty]: Start isEmpty. Operand 4118 states and 5446 transitions. [2023-04-02 07:13:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-04-02 07:13:06,237 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:06,237 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:06,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 07:13:06,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:06,448 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:06,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:06,448 INFO L85 PathProgramCache]: Analyzing trace with hash -2121953557, now seen corresponding path program 1 times [2023-04-02 07:13:06,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:06,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061812810] [2023-04-02 07:13:06,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:06,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 07:13:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 07:13:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 07:13:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:13:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:13:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:07,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:07,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 07:13:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:07,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 07:13:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:07,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:13:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 07:13:07,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:07,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061812810] [2023-04-02 07:13:07,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061812810] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:07,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:13:07,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 07:13:07,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882061427] [2023-04-02 07:13:07,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:07,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 07:13:07,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:07,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 07:13:07,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-04-02 07:13:07,037 INFO L87 Difference]: Start difference. First operand 4118 states and 5446 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 6 states have call predecessors, (19), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-02 07:13:24,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:24,342 INFO L93 Difference]: Finished difference Result 7481 states and 9977 transitions. [2023-04-02 07:13:24,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 07:13:24,343 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 6 states have call predecessors, (19), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) Word has length 109 [2023-04-02 07:13:24,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:24,365 INFO L225 Difference]: With dead ends: 7481 [2023-04-02 07:13:24,366 INFO L226 Difference]: Without dead ends: 4719 [2023-04-02 07:13:24,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2023-04-02 07:13:24,377 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 2010 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 13843 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2243 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 15027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1184 IncrementalHoareTripleChecker+Valid, 13843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:24,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2243 Valid, 473 Invalid, 15027 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1184 Valid, 13843 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2023-04-02 07:13:24,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4719 states. [2023-04-02 07:13:25,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4719 to 4118. [2023-04-02 07:13:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4118 states, 2692 states have (on average 1.2574294205052006) internal successors, (3385), 2733 states have internal predecessors, (3385), 1022 states have call successors, (1022), 398 states have call predecessors, (1022), 403 states have return successors, (1038), 1020 states have call predecessors, (1038), 1018 states have call successors, (1038) [2023-04-02 07:13:25,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4118 states to 4118 states and 5445 transitions. [2023-04-02 07:13:25,224 INFO L78 Accepts]: Start accepts. Automaton has 4118 states and 5445 transitions. Word has length 109 [2023-04-02 07:13:25,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:25,225 INFO L495 AbstractCegarLoop]: Abstraction has 4118 states and 5445 transitions. [2023-04-02 07:13:25,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (19), 6 states have call predecessors, (19), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-02 07:13:25,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4118 states and 5445 transitions. [2023-04-02 07:13:25,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-04-02 07:13:25,230 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:25,230 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 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] [2023-04-02 07:13:25,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 07:13:25,231 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:25,231 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:25,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1752327141, now seen corresponding path program 1 times [2023-04-02 07:13:25,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:25,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712295423] [2023-04-02 07:13:25,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:25,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 07:13:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 07:13:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 07:13:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-04-02 07:13:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 07:13:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 07:13:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 07:13:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:13:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 07:13:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 07:13:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-04-02 07:13:25,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:25,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712295423] [2023-04-02 07:13:25,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712295423] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:25,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:13:25,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 07:13:25,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097762467] [2023-04-02 07:13:25,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:25,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 07:13:25,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:25,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 07:13:25,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 07:13:25,762 INFO L87 Difference]: Start difference. First operand 4118 states and 5445 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-02 07:13:36,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:36,710 INFO L93 Difference]: Finished difference Result 8967 states and 12021 transitions. [2023-04-02 07:13:36,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 07:13:36,718 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 123 [2023-04-02 07:13:36,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:36,749 INFO L225 Difference]: With dead ends: 8967 [2023-04-02 07:13:36,749 INFO L226 Difference]: Without dead ends: 4893 [2023-04-02 07:13:36,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-04-02 07:13:36,761 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 1601 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 7951 mSolverCounterSat, 1173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1671 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 9124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1173 IncrementalHoareTripleChecker+Valid, 7951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:36,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1671 Valid, 2420 Invalid, 9124 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1173 Valid, 7951 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2023-04-02 07:13:36,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4893 states. [2023-04-02 07:13:37,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4893 to 4256. [2023-04-02 07:13:37,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4256 states, 2800 states have (on average 1.2682142857142857) internal successors, (3551), 2847 states have internal predecessors, (3551), 1052 states have call successors, (1052), 398 states have call predecessors, (1052), 403 states have return successors, (1068), 1050 states have call predecessors, (1068), 1048 states have call successors, (1068) [2023-04-02 07:13:37,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4256 states to 4256 states and 5671 transitions. [2023-04-02 07:13:37,497 INFO L78 Accepts]: Start accepts. Automaton has 4256 states and 5671 transitions. Word has length 123 [2023-04-02 07:13:37,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:37,497 INFO L495 AbstractCegarLoop]: Abstraction has 4256 states and 5671 transitions. [2023-04-02 07:13:37,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2023-04-02 07:13:37,498 INFO L276 IsEmpty]: Start isEmpty. Operand 4256 states and 5671 transitions. [2023-04-02 07:13:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-04-02 07:13:37,503 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:37,503 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:37,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 07:13:37,504 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:37,504 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:37,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1872380941, now seen corresponding path program 1 times [2023-04-02 07:13:37,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:37,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963752018] [2023-04-02 07:13:37,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:37,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:37,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:37,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:37,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 07:13:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-04-02 07:13:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 07:13:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:13:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:13:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 07:13:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 07:13:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 07:13:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 07:13:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:13:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:13:38,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:38,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963752018] [2023-04-02 07:13:38,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963752018] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:38,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976725443] [2023-04-02 07:13:38,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:38,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:38,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:38,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:13:38,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 07:13:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:38,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 12 conjunts are in the unsatisfiable core [2023-04-02 07:13:38,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:13:38,953 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:13:38,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 07:13:39,284 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:13:39,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976725443] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 07:13:39,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 07:13:39,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 29 [2023-04-02 07:13:39,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005350203] [2023-04-02 07:13:39,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 07:13:39,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-04-02 07:13:39,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:39,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-04-02 07:13:39,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=501, Unknown=0, NotChecked=0, Total=812 [2023-04-02 07:13:39,287 INFO L87 Difference]: Start difference. First operand 4256 states and 5671 transitions. Second operand has 29 states, 29 states have (on average 5.551724137931035) internal successors, (161), 25 states have internal predecessors, (161), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 07:13:50,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 07:13:53,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:13:53,377 INFO L93 Difference]: Finished difference Result 9105 states and 12229 transitions. [2023-04-02 07:13:53,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-04-02 07:13:53,378 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 5.551724137931035) internal successors, (161), 25 states have internal predecessors, (161), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 126 [2023-04-02 07:13:53,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:13:53,395 INFO L225 Difference]: With dead ends: 9105 [2023-04-02 07:13:53,396 INFO L226 Difference]: Without dead ends: 4881 [2023-04-02 07:13:53,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=876, Invalid=1880, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 07:13:53,409 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 3027 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 9990 mSolverCounterSat, 1618 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 11608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1618 IncrementalHoareTripleChecker+Valid, 9990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-04-02 07:13:53,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 350 Invalid, 11608 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1618 Valid, 9990 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2023-04-02 07:13:53,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4881 states. [2023-04-02 07:13:54,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4881 to 4280. [2023-04-02 07:13:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4280 states, 2824 states have (on average 1.2659348441926346) internal successors, (3575), 2871 states have internal predecessors, (3575), 1052 states have call successors, (1052), 398 states have call predecessors, (1052), 403 states have return successors, (1068), 1050 states have call predecessors, (1068), 1048 states have call successors, (1068) [2023-04-02 07:13:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 5695 transitions. [2023-04-02 07:13:54,171 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 5695 transitions. Word has length 126 [2023-04-02 07:13:54,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:13:54,171 INFO L495 AbstractCegarLoop]: Abstraction has 4280 states and 5695 transitions. [2023-04-02 07:13:54,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 5.551724137931035) internal successors, (161), 25 states have internal predecessors, (161), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 07:13:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5695 transitions. [2023-04-02 07:13:54,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-02 07:13:54,178 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:13:54,178 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:13:54,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 07:13:54,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:54,392 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:13:54,392 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:13:54,392 INFO L85 PathProgramCache]: Analyzing trace with hash -2069859805, now seen corresponding path program 2 times [2023-04-02 07:13:54,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:13:54,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704601229] [2023-04-02 07:13:54,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:13:54,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:13:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:13:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:13:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 07:13:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 07:13:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:13:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-04-02 07:13:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:13:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:13:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 07:13:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 07:13:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:13:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 07:13:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 07:13:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:13:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:13:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:13:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:13:55,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:13:55,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704601229] [2023-04-02 07:13:55,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704601229] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:13:55,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961985354] [2023-04-02 07:13:55,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-04-02 07:13:55,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:13:55,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:13:55,802 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:13:55,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 07:13:56,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-04-02 07:13:56,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-04-02 07:13:56,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 34 conjunts are in the unsatisfiable core [2023-04-02 07:13:56,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:13:56,736 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-04-02 07:13:56,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:13:56,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961985354] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:13:56,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:13:56,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [29] total 38 [2023-04-02 07:13:56,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508766190] [2023-04-02 07:13:56,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:13:56,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 07:13:56,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:13:56,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 07:13:56,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=1073, Unknown=0, NotChecked=0, Total=1406 [2023-04-02 07:13:56,739 INFO L87 Difference]: Start difference. First operand 4280 states and 5695 transitions. Second operand has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 6 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2023-04-02 07:14:00,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:14:00,201 INFO L93 Difference]: Finished difference Result 9862 states and 13153 transitions. [2023-04-02 07:14:00,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 07:14:00,202 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 6 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 150 [2023-04-02 07:14:00,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:14:00,221 INFO L225 Difference]: With dead ends: 9862 [2023-04-02 07:14:00,221 INFO L226 Difference]: Without dead ends: 5648 [2023-04-02 07:14:00,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=373, Invalid=1697, Unknown=0, NotChecked=0, Total=2070 [2023-04-02 07:14:00,232 INFO L413 NwaCegarLoop]: 2940 mSDtfsCounter, 1883 mSDsluCounter, 18099 mSDsCounter, 0 mSdLazyCounter, 3001 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 21039 SdHoareTripleChecker+Invalid, 3010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 3001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-04-02 07:14:00,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 21039 Invalid, 3010 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 3001 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-04-02 07:14:00,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5648 states. [2023-04-02 07:14:01,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5648 to 5644. [2023-04-02 07:14:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5644 states, 3723 states have (on average 1.2656459844211658) internal successors, (4712), 3787 states have internal predecessors, (4712), 1387 states have call successors, (1387), 525 states have call predecessors, (1387), 533 states have return successors, (1408), 1384 states have call predecessors, (1408), 1383 states have call successors, (1408) [2023-04-02 07:14:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5644 states to 5644 states and 7507 transitions. [2023-04-02 07:14:01,196 INFO L78 Accepts]: Start accepts. Automaton has 5644 states and 7507 transitions. Word has length 150 [2023-04-02 07:14:01,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:14:01,197 INFO L495 AbstractCegarLoop]: Abstraction has 5644 states and 7507 transitions. [2023-04-02 07:14:01,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 6 states have call successors, (22), 3 states have call predecessors, (22), 7 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2023-04-02 07:14:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 5644 states and 7507 transitions. [2023-04-02 07:14:01,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-04-02 07:14:01,203 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:14:01,203 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:14:01,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 07:14:01,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-04-02 07:14:01,414 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:14:01,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:14:01,415 INFO L85 PathProgramCache]: Analyzing trace with hash 539007147, now seen corresponding path program 1 times [2023-04-02 07:14:01,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:14:01,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728075534] [2023-04-02 07:14:01,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:01,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:14:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:14:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 07:14:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 07:14:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 07:14:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-04-02 07:14:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:14:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:14:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 07:14:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 07:14:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 07:14:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 07:14:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:14:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:14:02,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:14:02,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728075534] [2023-04-02 07:14:02,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728075534] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:14:02,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112537016] [2023-04-02 07:14:02,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:02,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:14:02,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:14:02,846 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:14:02,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-02 07:14:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:03,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 24 conjunts are in the unsatisfiable core [2023-04-02 07:14:03,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:14:03,577 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:14:03,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 07:14:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 07:14:04,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112537016] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 07:14:04,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 07:14:04,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 25, 25] total 39 [2023-04-02 07:14:04,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241422526] [2023-04-02 07:14:04,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 07:14:04,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-04-02 07:14:04,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:14:04,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-04-02 07:14:04,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=876, Unknown=0, NotChecked=0, Total=1482 [2023-04-02 07:14:04,230 INFO L87 Difference]: Start difference. First operand 5644 states and 7507 transitions. Second operand has 39 states, 39 states have (on average 4.794871794871795) internal successors, (187), 35 states have internal predecessors, (187), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 07:14:13,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 07:14:16,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:14:16,872 INFO L93 Difference]: Finished difference Result 12049 states and 16159 transitions. [2023-04-02 07:14:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-04-02 07:14:16,872 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 4.794871794871795) internal successors, (187), 35 states have internal predecessors, (187), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 152 [2023-04-02 07:14:16,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:14:16,898 INFO L225 Difference]: With dead ends: 12049 [2023-04-02 07:14:16,898 INFO L226 Difference]: Without dead ends: 6461 [2023-04-02 07:14:16,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 316 SyntacticMatches, 14 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1741, Invalid=3515, Unknown=0, NotChecked=0, Total=5256 [2023-04-02 07:14:16,916 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 3885 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 7455 mSolverCounterSat, 2233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4120 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 9688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2233 IncrementalHoareTripleChecker+Valid, 7455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-04-02 07:14:16,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4120 Valid, 293 Invalid, 9688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2233 Valid, 7455 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2023-04-02 07:14:16,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6461 states. [2023-04-02 07:14:17,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6461 to 5664. [2023-04-02 07:14:17,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5664 states, 3743 states have (on average 1.2642265562383115) internal successors, (4732), 3807 states have internal predecessors, (4732), 1387 states have call successors, (1387), 525 states have call predecessors, (1387), 533 states have return successors, (1408), 1384 states have call predecessors, (1408), 1383 states have call successors, (1408) [2023-04-02 07:14:17,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5664 states to 5664 states and 7527 transitions. [2023-04-02 07:14:17,948 INFO L78 Accepts]: Start accepts. Automaton has 5664 states and 7527 transitions. Word has length 152 [2023-04-02 07:14:17,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:14:17,948 INFO L495 AbstractCegarLoop]: Abstraction has 5664 states and 7527 transitions. [2023-04-02 07:14:17,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.794871794871795) internal successors, (187), 35 states have internal predecessors, (187), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-04-02 07:14:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 5664 states and 7527 transitions. [2023-04-02 07:14:17,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-02 07:14:17,955 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:14:17,955 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:14:17,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-04-02 07:14:18,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:14:18,167 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:14:18,167 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:14:18,167 INFO L85 PathProgramCache]: Analyzing trace with hash 2078756307, now seen corresponding path program 2 times [2023-04-02 07:14:18,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:14:18,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374077473] [2023-04-02 07:14:18,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:18,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:14:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:18,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:18,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:14:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 07:14:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 07:14:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 07:14:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 07:14:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:14:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:14:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 07:14:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 07:14:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 07:14:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 07:14:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:14:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:19,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2023-04-02 07:14:19,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:14:19,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374077473] [2023-04-02 07:14:19,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374077473] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:14:19,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:14:19,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 07:14:19,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43782137] [2023-04-02 07:14:19,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:14:19,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 07:14:19,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:14:19,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 07:14:19,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-04-02 07:14:19,368 INFO L87 Difference]: Start difference. First operand 5664 states and 7527 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 5 states have call successors, (22), 7 states have call predecessors, (22), 5 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-02 07:14:43,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:14:43,406 INFO L93 Difference]: Finished difference Result 12608 states and 17053 transitions. [2023-04-02 07:14:43,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-02 07:14:43,407 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 5 states have call successors, (22), 7 states have call predecessors, (22), 5 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19) Word has length 172 [2023-04-02 07:14:43,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:14:43,438 INFO L225 Difference]: With dead ends: 12608 [2023-04-02 07:14:43,439 INFO L226 Difference]: Without dead ends: 9746 [2023-04-02 07:14:43,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552 [2023-04-02 07:14:43,451 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 9353 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 14277 mSolverCounterSat, 5635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9595 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 19912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5635 IncrementalHoareTripleChecker+Valid, 14277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:14:43,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9595 Valid, 613 Invalid, 19912 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5635 Valid, 14277 Invalid, 0 Unknown, 0 Unchecked, 21.0s Time] [2023-04-02 07:14:43,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9746 states. [2023-04-02 07:14:44,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9746 to 7021. [2023-04-02 07:14:44,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7021 states, 4638 states have (on average 1.264984907287624) internal successors, (5867), 4716 states have internal predecessors, (5867), 1722 states have call successors, (1722), 652 states have call predecessors, (1722), 660 states have return successors, (1747), 1718 states have call predecessors, (1747), 1718 states have call successors, (1747) [2023-04-02 07:14:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7021 states to 7021 states and 9336 transitions. [2023-04-02 07:14:44,731 INFO L78 Accepts]: Start accepts. Automaton has 7021 states and 9336 transitions. Word has length 172 [2023-04-02 07:14:44,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:14:44,732 INFO L495 AbstractCegarLoop]: Abstraction has 7021 states and 9336 transitions. [2023-04-02 07:14:44,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 8 states have internal predecessors, (69), 5 states have call successors, (22), 7 states have call predecessors, (22), 5 states have return successors, (19), 6 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-02 07:14:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 7021 states and 9336 transitions. [2023-04-02 07:14:44,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-04-02 07:14:44,740 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:14:44,741 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 07:14:44,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 07:14:44,741 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:14:44,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:14:44,741 INFO L85 PathProgramCache]: Analyzing trace with hash -371009020, now seen corresponding path program 1 times [2023-04-02 07:14:44,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:14:44,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214056615] [2023-04-02 07:14:44,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:44,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:14:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:14:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 07:14:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 07:14:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 07:14:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 07:14:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:14:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:14:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 07:14:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 07:14:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:14:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 07:14:45,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 07:14:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:14:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:45,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2023-04-02 07:14:45,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:14:45,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214056615] [2023-04-02 07:14:45,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214056615] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:14:45,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:14:45,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 07:14:45,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823375457] [2023-04-02 07:14:45,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:14:45,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 07:14:45,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:14:45,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 07:14:45,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-04-02 07:14:45,277 INFO L87 Difference]: Start difference. First operand 7021 states and 9336 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-02 07:14:57,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:14:57,827 INFO L93 Difference]: Finished difference Result 8143 states and 11019 transitions. [2023-04-02 07:14:57,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 07:14:57,828 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 185 [2023-04-02 07:14:57,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:14:57,854 INFO L225 Difference]: With dead ends: 8143 [2023-04-02 07:14:57,855 INFO L226 Difference]: Without dead ends: 8126 [2023-04-02 07:14:57,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-04-02 07:14:57,860 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 2882 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 10054 mSolverCounterSat, 1807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3135 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 11861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1807 IncrementalHoareTripleChecker+Valid, 10054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-04-02 07:14:57,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3135 Valid, 673 Invalid, 11861 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1807 Valid, 10054 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2023-04-02 07:14:57,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8126 states. [2023-04-02 07:14:59,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8126 to 7024. [2023-04-02 07:14:59,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7024 states, 4640 states have (on average 1.2648706896551725) internal successors, (5869), 4717 states have internal predecessors, (5869), 1723 states have call successors, (1723), 652 states have call predecessors, (1723), 660 states have return successors, (1748), 1720 states have call predecessors, (1748), 1719 states have call successors, (1748) [2023-04-02 07:14:59,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7024 states to 7024 states and 9340 transitions. [2023-04-02 07:14:59,261 INFO L78 Accepts]: Start accepts. Automaton has 7024 states and 9340 transitions. Word has length 185 [2023-04-02 07:14:59,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:14:59,261 INFO L495 AbstractCegarLoop]: Abstraction has 7024 states and 9340 transitions. [2023-04-02 07:14:59,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-02 07:14:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 7024 states and 9340 transitions. [2023-04-02 07:14:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-02 07:14:59,270 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:14:59,270 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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] [2023-04-02 07:14:59,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 07:14:59,271 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:14:59,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:14:59,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1174062704, now seen corresponding path program 1 times [2023-04-02 07:14:59,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:14:59,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65779136] [2023-04-02 07:14:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:59,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:14:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:14:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 07:14:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 07:14:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 07:14:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 07:14:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:14:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 07:14:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 07:14:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 07:14:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:14:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:14:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 07:14:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 07:14:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 07:14:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:14:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 07:14:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:14:59,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2023-04-02 07:14:59,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:14:59,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65779136] [2023-04-02 07:14:59,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65779136] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 07:14:59,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672607011] [2023-04-02 07:14:59,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:14:59,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:14:59,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 07:14:59,873 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 07:14:59,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-02 07:15:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:00,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 1999 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 07:15:00,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 07:15:00,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2023-04-02 07:15:00,672 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 07:15:00,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672607011] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:00,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 07:15:00,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 10 [2023-04-02 07:15:00,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68955677] [2023-04-02 07:15:00,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:00,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 07:15:00,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:00,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 07:15:00,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-04-02 07:15:00,674 INFO L87 Difference]: Start difference. First operand 7024 states and 9340 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-02 07:15:01,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 07:15:01,880 INFO L93 Difference]: Finished difference Result 13963 states and 18594 transitions. [2023-04-02 07:15:01,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-02 07:15:01,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 189 [2023-04-02 07:15:01,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 07:15:01,897 INFO L225 Difference]: With dead ends: 13963 [2023-04-02 07:15:01,897 INFO L226 Difference]: Without dead ends: 6958 [2023-04-02 07:15:01,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-04-02 07:15:01,912 INFO L413 NwaCegarLoop]: 1937 mSDtfsCounter, 60 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 3833 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 07:15:01,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 3833 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 07:15:01,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6958 states. [2023-04-02 07:15:03,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6958 to 6955. [2023-04-02 07:15:03,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6955 states, 4586 states have (on average 1.2577409507195814) internal successors, (5768), 4660 states have internal predecessors, (5768), 1708 states have call successors, (1708), 652 states have call predecessors, (1708), 660 states have return successors, (1733), 1705 states have call predecessors, (1733), 1704 states have call successors, (1733) [2023-04-02 07:15:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6955 states to 6955 states and 9209 transitions. [2023-04-02 07:15:03,185 INFO L78 Accepts]: Start accepts. Automaton has 6955 states and 9209 transitions. Word has length 189 [2023-04-02 07:15:03,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 07:15:03,185 INFO L495 AbstractCegarLoop]: Abstraction has 6955 states and 9209 transitions. [2023-04-02 07:15:03,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-02 07:15:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 6955 states and 9209 transitions. [2023-04-02 07:15:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-02 07:15:03,194 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 07:15:03,194 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 3, 3, 3, 3, 3, 3, 3, 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] [2023-04-02 07:15:03,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-02 07:15:03,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 07:15:03,405 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 07:15:03,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 07:15:03,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1400974392, now seen corresponding path program 1 times [2023-04-02 07:15:03,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 07:15:03,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541864286] [2023-04-02 07:15:03,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 07:15:03,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 07:15:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 07:15:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 07:15:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 07:15:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 07:15:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 07:15:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 07:15:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 07:15:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 07:15:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 07:15:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 07:15:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 07:15:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 07:15:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 07:15:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 07:15:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 07:15:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 07:15:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 07:15:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 07:15:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1055 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2023-04-02 07:15:03,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 07:15:03,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541864286] [2023-04-02 07:15:03,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541864286] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 07:15:03,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 07:15:03,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 07:15:03,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712718765] [2023-04-02 07:15:03,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 07:15:03,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 07:15:03,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 07:15:03,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 07:15:03,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-04-02 07:15:03,936 INFO L87 Difference]: Start difference. First operand 6955 states and 9209 transitions. Second operand has 10 states, 10 states have (on average 7.9) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2023-04-02 07:15:13,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []