/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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 10:31:16,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 10:31:16,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 10:31:16,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 10:31:16,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 10:31:16,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 10:31:16,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 10:31:16,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 10:31:16,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 10:31:16,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 10:31:16,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 10:31:16,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 10:31:16,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 10:31:16,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 10:31:16,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 10:31:16,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 10:31:16,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 10:31:16,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 10:31:16,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 10:31:16,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 10:31:16,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 10:31:16,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 10:31:16,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 10:31:16,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 10:31:16,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 10:31:16,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 10:31:16,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 10:31:16,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 10:31:16,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 10:31:16,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 10:31:16,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 10:31:16,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 10:31:16,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 10:31:16,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 10:31:16,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 10:31:16,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 10:31:16,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 10:31:16,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 10:31:16,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 10:31:16,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 10:31:16,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 10:31:16,410 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 10:31:16,432 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 10:31:16,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 10:31:16,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 10:31:16,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 10:31:16,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 10:31:16,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 10:31:16,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 10:31:16,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 10:31:16,434 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 10:31:16,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 10:31:16,435 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 10:31:16,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 10:31:16,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 10:31:16,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 10:31:16,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 10:31:16,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 10:31:16,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 10:31:16,435 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 10:31:16,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 10:31:16,436 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 10:31:16,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 10:31:16,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 10:31:16,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 10:31:16,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 10:31:16,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:31:16,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 10:31:16,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 10:31:16,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 10:31:16,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 10:31:16,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 10:31:16,437 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 10:31:16,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 10:31:16,437 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 10:31:16,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 10:31:16,438 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 10:31:16,438 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 10:31:16,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 10:31:16,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 10:31:16,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 10:31:16,624 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 10:31:16,624 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 10:31:16,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2023-04-02 10:31:17,609 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 10:31:18,043 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 10:31:18,043 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2023-04-02 10:31:18,073 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc369991/650ebf3c643942d4bd5b1afdfd553374/FLAG4f12a561b [2023-04-02 10:31:18,085 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cc369991/650ebf3c643942d4bd5b1afdfd553374 [2023-04-02 10:31:18,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 10:31:18,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 10:31:18,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 10:31:18,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 10:31:18,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 10:31:18,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:31:18" (1/1) ... [2023-04-02 10:31:18,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558a1286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:18, skipping insertion in model container [2023-04-02 10:31:18,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 10:31:18" (1/1) ... [2023-04-02 10:31:18,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 10:31:18,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 10:31:19,033 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2023-04-02 10:31:19,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:31:19,074 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 10:31:19,207 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2023-04-02 10:31:19,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 10:31:19,322 INFO L208 MainTranslator]: Completed translation [2023-04-02 10:31:19,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:19 WrapperNode [2023-04-02 10:31:19,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 10:31:19,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 10:31:19,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 10:31:19,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 10:31:19,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:19" (1/1) ... [2023-04-02 10:31:19,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:19" (1/1) ... [2023-04-02 10:31:19,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:19" (1/1) ... [2023-04-02 10:31:19,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:19" (1/1) ... [2023-04-02 10:31:19,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:19" (1/1) ... [2023-04-02 10:31:19,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:19" (1/1) ... [2023-04-02 10:31:19,515 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:19" (1/1) ... [2023-04-02 10:31:19,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:19" (1/1) ... [2023-04-02 10:31:19,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 10:31:19,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 10:31:19,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 10:31:19,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 10:31:19,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:19" (1/1) ... [2023-04-02 10:31:19,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 10:31:19,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:31:19,624 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 10:31:19,630 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 10:31:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 10:31:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 10:31:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-02 10:31:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 10:31:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-02 10:31:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-02 10:31:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-02 10:31:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 10:31:19,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-04-02 10:31:19,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode0 [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode2 [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode4 [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure read_byte_mode6 [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2023-04-02 10:31:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_init [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure get_node_ID [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure net_open [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure write_packet [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_send_packet [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_interrupt [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_timed_checker [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2023-04-02 10:31:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure net_close [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_init_module [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_cleanup_module [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 10:31:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_37 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_38 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_39 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_40 [2023-04-02 10:31:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_42 [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_43 [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-02 10:31:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-02 10:31:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-04-02 10:31:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2023-04-02 10:31:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 10:31:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2023-04-02 10:31:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2023-04-02 10:31:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-04-02 10:31:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-04-02 10:31:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 10:31:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 10:31:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 10:31:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 10:31:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 10:31:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 10:31:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 10:31:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 10:31:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-02 10:31:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_40 [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-04-02 10:31:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_39 [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-04-02 10:31:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_38 [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_43 [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2023-04-02 10:31:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_37 [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_42 [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode0 [2023-04-02 10:31:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode2 [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode4 [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure read_byte_mode6 [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure atp_timed_checker [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure get_node_ID [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure net_open [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure write_packet [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2023-04-02 10:31:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure atp_send_packet [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure atp_interrupt [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure net_close [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure atp_init [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure atp_init_module [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure atp_cleanup_module [2023-04-02 10:31:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2023-04-02 10:31:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 10:31:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 10:31:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2023-04-02 10:31:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-02 10:31:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 10:31:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 10:31:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 10:31:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 10:31:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 10:31:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 10:31:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-02 10:31:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-02 10:31:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-02 10:31:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-02 10:31:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2023-04-02 10:31:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 10:31:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 10:31:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 10:31:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 10:31:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 10:31:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 10:31:20,112 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 10:31:20,115 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 10:31:20,350 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 10:31:21,178 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 10:31:21,188 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 10:31:21,188 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 10:31:21,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:31:21 BoogieIcfgContainer [2023-04-02 10:31:21,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 10:31:21,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 10:31:21,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 10:31:21,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 10:31:21,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 10:31:18" (1/3) ... [2023-04-02 10:31:21,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de88e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:31:21, skipping insertion in model container [2023-04-02 10:31:21,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 10:31:19" (2/3) ... [2023-04-02 10:31:21,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de88e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 10:31:21, skipping insertion in model container [2023-04-02 10:31:21,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 10:31:21" (3/3) ... [2023-04-02 10:31:21,195 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2023-04-02 10:31:21,206 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 10:31:21,206 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 10:31:21,247 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 10:31:21,251 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;@360bc2d6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 10:31:21,251 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 10:31:21,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 1161 states, 722 states have (on average 1.3282548476454294) internal successors, (959), 740 states have internal predecessors, (959), 318 states have call successors, (318), 108 states have call predecessors, (318), 107 states have return successors, (313), 310 states have call predecessors, (313), 313 states have call successors, (313) [2023-04-02 10:31:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2023-04-02 10:31:21,291 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:31:21,291 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:21,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:31:21,295 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:31:21,295 INFO L85 PathProgramCache]: Analyzing trace with hash -293385075, now seen corresponding path program 1 times [2023-04-02 10:31:21,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:31:21,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759822608] [2023-04-02 10:31:21,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:31:21,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:31:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:31:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:31:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:31:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:31:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-04-02 10:31:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:31:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:31:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 10:31:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:21,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 10:31:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 10:31:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:31:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 10:31:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-04-02 10:31:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:31:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2023-04-02 10:31:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:31:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:31:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 10:31:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:31:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 10:31:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-04-02 10:31:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-04-02 10:31:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2023-04-02 10:31:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:31:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:31:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:31:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2476 trivial. 0 not checked. [2023-04-02 10:31:22,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:31:22,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759822608] [2023-04-02 10:31:22,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759822608] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:31:22,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:31:22,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 10:31:22,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016197917] [2023-04-02 10:31:22,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:31:22,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 10:31:22,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:31:22,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 10:31:22,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-02 10:31:22,305 INFO L87 Difference]: Start difference. First operand has 1161 states, 722 states have (on average 1.3282548476454294) internal successors, (959), 740 states have internal predecessors, (959), 318 states have call successors, (318), 108 states have call predecessors, (318), 107 states have return successors, (313), 310 states have call predecessors, (313), 313 states have call successors, (313) Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 2 states have internal predecessors, (114), 2 states have call successors, (58), 7 states have call predecessors, (58), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-02 10:31:28,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:31:28,874 INFO L93 Difference]: Finished difference Result 2497 states and 3647 transitions. [2023-04-02 10:31:28,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 10:31:28,876 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 2 states have internal predecessors, (114), 2 states have call successors, (58), 7 states have call predecessors, (58), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 393 [2023-04-02 10:31:28,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:31:28,894 INFO L225 Difference]: With dead ends: 2497 [2023-04-02 10:31:28,894 INFO L226 Difference]: Without dead ends: 1337 [2023-04-02 10:31:28,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2023-04-02 10:31:28,914 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 3428 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 2020 mSolverCounterSat, 2864 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3511 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 4884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2864 IncrementalHoareTripleChecker+Valid, 2020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-04-02 10:31:28,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3511 Valid, 718 Invalid, 4884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2864 Valid, 2020 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-04-02 10:31:28,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2023-04-02 10:31:29,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1074. [2023-04-02 10:31:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 676 states have (on average 1.3121301775147929) internal successors, (887), 687 states have internal predecessors, (887), 298 states have call successors, (298), 101 states have call predecessors, (298), 99 states have return successors, (296), 293 states have call predecessors, (296), 296 states have call successors, (296) [2023-04-02 10:31:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1481 transitions. [2023-04-02 10:31:29,214 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1481 transitions. Word has length 393 [2023-04-02 10:31:29,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:31:29,214 INFO L495 AbstractCegarLoop]: Abstraction has 1074 states and 1481 transitions. [2023-04-02 10:31:29,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 2 states have internal predecessors, (114), 2 states have call successors, (58), 7 states have call predecessors, (58), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-02 10:31:29,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1481 transitions. [2023-04-02 10:31:29,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-04-02 10:31:29,221 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:31:29,221 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:29,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 10:31:29,222 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:31:29,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:31:29,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1929882594, now seen corresponding path program 1 times [2023-04-02 10:31:29,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:31:29,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106244329] [2023-04-02 10:31:29,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:31:29,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:31:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:31:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:31:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:31:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:31:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-04-02 10:31:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 10:31:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:31:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 10:31:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 10:31:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 10:31:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:31:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 10:31:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-04-02 10:31:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:31:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-04-02 10:31:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2023-04-02 10:31:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2023-04-02 10:31:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:31:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:31:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:31:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2023-04-02 10:31:29,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:31:29,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106244329] [2023-04-02 10:31:29,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106244329] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:31:29,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:31:29,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:31:29,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770686463] [2023-04-02 10:31:29,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:31:29,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:31:29,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:31:29,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:31:29,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:31:29,937 INFO L87 Difference]: Start difference. First operand 1074 states and 1481 transitions. Second operand has 10 states, 10 states have (on average 10.5) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (50), 9 states have call predecessors, (50), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-02 10:31:41,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:31:41,339 INFO L93 Difference]: Finished difference Result 3681 states and 5213 transitions. [2023-04-02 10:31:41,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 10:31:41,339 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.5) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (50), 9 states have call predecessors, (50), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 354 [2023-04-02 10:31:41,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:31:41,351 INFO L225 Difference]: With dead ends: 3681 [2023-04-02 10:31:41,351 INFO L226 Difference]: Without dead ends: 2631 [2023-04-02 10:31:41,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2023-04-02 10:31:41,355 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 5820 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 6936 mSolverCounterSat, 4591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5948 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 11527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4591 IncrementalHoareTripleChecker+Valid, 6936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-04-02 10:31:41,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5948 Valid, 1502 Invalid, 11527 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4591 Valid, 6936 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2023-04-02 10:31:41,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2023-04-02 10:31:41,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2147. [2023-04-02 10:31:41,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2147 states, 1351 states have (on average 1.308660251665433) internal successors, (1768), 1380 states have internal predecessors, (1768), 592 states have call successors, (592), 197 states have call predecessors, (592), 203 states have return successors, (606), 584 states have call predecessors, (606), 590 states have call successors, (606) [2023-04-02 10:31:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 2147 states and 2966 transitions. [2023-04-02 10:31:41,845 INFO L78 Accepts]: Start accepts. Automaton has 2147 states and 2966 transitions. Word has length 354 [2023-04-02 10:31:41,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:31:41,846 INFO L495 AbstractCegarLoop]: Abstraction has 2147 states and 2966 transitions. [2023-04-02 10:31:41,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.5) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (50), 9 states have call predecessors, (50), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-02 10:31:41,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 2966 transitions. [2023-04-02 10:31:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-04-02 10:31:41,856 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:31:41,856 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:41,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 10:31:41,857 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:31:41,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:31:41,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1347068240, now seen corresponding path program 1 times [2023-04-02 10:31:41,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:31:41,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762845128] [2023-04-02 10:31:41,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:31:41,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:31:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:31:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:31:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:31:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:31:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 10:31:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:31:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 10:31:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 10:31:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 10:31:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 10:31:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:31:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 10:31:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-04-02 10:31:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:31:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2023-04-02 10:31:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2023-04-02 10:31:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-04-02 10:31:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:31:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:31:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:31:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2023-04-02 10:31:42,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:31:42,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762845128] [2023-04-02 10:31:42,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762845128] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:31:42,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:31:42,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:31:42,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782899435] [2023-04-02 10:31:42,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:31:42,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:31:42,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:31:42,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:31:42,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:31:42,506 INFO L87 Difference]: Start difference. First operand 2147 states and 2966 transitions. Second operand has 10 states, 10 states have (on average 10.6) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (50), 9 states have call predecessors, (50), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-02 10:31:54,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:31:54,071 INFO L93 Difference]: Finished difference Result 7333 states and 10405 transitions. [2023-04-02 10:31:54,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 10:31:54,071 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (50), 9 states have call predecessors, (50), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 355 [2023-04-02 10:31:54,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:31:54,093 INFO L225 Difference]: With dead ends: 7333 [2023-04-02 10:31:54,094 INFO L226 Difference]: Without dead ends: 5210 [2023-04-02 10:31:54,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2023-04-02 10:31:54,101 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 7652 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 5733 mSolverCounterSat, 6204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7782 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 11937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6204 IncrementalHoareTripleChecker+Valid, 5733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-04-02 10:31:54,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7782 Valid, 1467 Invalid, 11937 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6204 Valid, 5733 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-04-02 10:31:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5210 states. [2023-04-02 10:31:55,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5210 to 4286. [2023-04-02 10:31:55,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4286 states, 2699 states have (on average 1.3067802889959244) internal successors, (3527), 2757 states have internal predecessors, (3527), 1179 states have call successors, (1179), 389 states have call predecessors, (1179), 407 states have return successors, (1225), 1168 states have call predecessors, (1225), 1177 states have call successors, (1225) [2023-04-02 10:31:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4286 states to 4286 states and 5931 transitions. [2023-04-02 10:31:55,085 INFO L78 Accepts]: Start accepts. Automaton has 4286 states and 5931 transitions. Word has length 355 [2023-04-02 10:31:55,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:31:55,085 INFO L495 AbstractCegarLoop]: Abstraction has 4286 states and 5931 transitions. [2023-04-02 10:31:55,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.6) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (50), 9 states have call predecessors, (50), 2 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-04-02 10:31:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4286 states and 5931 transitions. [2023-04-02 10:31:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2023-04-02 10:31:55,099 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:31:55,099 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:31:55,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 10:31:55,100 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:31:55,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:31:55,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2019668826, now seen corresponding path program 1 times [2023-04-02 10:31:55,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:31:55,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199191819] [2023-04-02 10:31:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:31:55,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:31:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:31:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:31:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:31:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:31:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:31:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 10:31:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-04-02 10:31:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 10:31:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 10:31:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 10:31:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 10:31:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:31:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 10:31:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:31:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:31:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:31:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:31:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-04-02 10:31:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:31:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-04-02 10:31:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:31:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:31:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:31:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:31:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 10:31:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:31:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 10:31:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2023-04-02 10:31:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2023-04-02 10:31:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2023-04-02 10:31:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:31:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:31:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:31:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:31:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:31:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:31:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:31:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:31:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2476 trivial. 0 not checked. [2023-04-02 10:31:55,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:31:55,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199191819] [2023-04-02 10:31:55,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199191819] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:31:55,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:31:55,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:31:55,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46052109] [2023-04-02 10:31:55,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:31:55,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:31:55,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:31:55,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:31:55,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:31:55,771 INFO L87 Difference]: Start difference. First operand 4286 states and 5931 transitions. Second operand has 10 states, 10 states have (on average 11.6) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (58), 9 states have call predecessors, (58), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-04-02 10:32:07,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:32:07,824 INFO L93 Difference]: Finished difference Result 14647 states and 20794 transitions. [2023-04-02 10:32:07,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 10:32:07,825 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (58), 9 states have call predecessors, (58), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 395 [2023-04-02 10:32:07,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:32:07,906 INFO L225 Difference]: With dead ends: 14647 [2023-04-02 10:32:07,906 INFO L226 Difference]: Without dead ends: 10385 [2023-04-02 10:32:07,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2023-04-02 10:32:07,920 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 7692 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 5696 mSolverCounterSat, 6223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7822 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 11919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6223 IncrementalHoareTripleChecker+Valid, 5696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:32:07,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7822 Valid, 1456 Invalid, 11919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6223 Valid, 5696 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-04-02 10:32:07,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10385 states. [2023-04-02 10:32:09,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10385 to 8569. [2023-04-02 10:32:09,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8569 states, 5400 states have (on average 1.3053703703703703) internal successors, (7049), 5515 states have internal predecessors, (7049), 2352 states have call successors, (2352), 774 states have call predecessors, (2352), 816 states have return successors, (2471), 2336 states have call predecessors, (2471), 2350 states have call successors, (2471) [2023-04-02 10:32:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8569 states to 8569 states and 11872 transitions. [2023-04-02 10:32:09,711 INFO L78 Accepts]: Start accepts. Automaton has 8569 states and 11872 transitions. Word has length 395 [2023-04-02 10:32:09,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:32:09,711 INFO L495 AbstractCegarLoop]: Abstraction has 8569 states and 11872 transitions. [2023-04-02 10:32:09,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.6) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (58), 9 states have call predecessors, (58), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-04-02 10:32:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 8569 states and 11872 transitions. [2023-04-02 10:32:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2023-04-02 10:32:09,727 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:32:09,727 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:32:09,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 10:32:09,727 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:32:09,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:32:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash -588183052, now seen corresponding path program 1 times [2023-04-02 10:32:09,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:32:09,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748483228] [2023-04-02 10:32:09,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:09,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:32:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:32:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:32:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:32:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:32:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 10:32:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 10:32:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 10:32:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 10:32:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 10:32:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 10:32:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 10:32:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-04-02 10:32:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-04-02 10:32:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:32:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 10:32:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:32:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 10:32:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-04-02 10:32:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2023-04-02 10:32:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2023-04-02 10:32:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:32:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:32:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:32:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2476 trivial. 0 not checked. [2023-04-02 10:32:10,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:32:10,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748483228] [2023-04-02 10:32:10,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748483228] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:32:10,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 10:32:10,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 10:32:10,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023062391] [2023-04-02 10:32:10,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:32:10,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 10:32:10,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:32:10,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 10:32:10,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-04-02 10:32:10,316 INFO L87 Difference]: Start difference. First operand 8569 states and 11872 transitions. Second operand has 10 states, 10 states have (on average 11.7) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (58), 9 states have call predecessors, (58), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-04-02 10:32:24,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:32:24,868 INFO L93 Difference]: Finished difference Result 28929 states and 41001 transitions. [2023-04-02 10:32:24,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 10:32:24,878 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (58), 9 states have call predecessors, (58), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 396 [2023-04-02 10:32:24,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:32:25,052 INFO L225 Difference]: With dead ends: 28929 [2023-04-02 10:32:25,053 INFO L226 Difference]: Without dead ends: 20384 [2023-04-02 10:32:25,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2023-04-02 10:32:25,082 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 6425 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 5854 mSolverCounterSat, 5109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6555 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 10963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5109 IncrementalHoareTripleChecker+Valid, 5854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-04-02 10:32:25,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6555 Valid, 1458 Invalid, 10963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5109 Valid, 5854 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2023-04-02 10:32:25,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20384 states. [2023-04-02 10:32:28,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20384 to 16878. [2023-04-02 10:32:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16878 states, 10642 states have (on average 1.302480736703627) internal successors, (13861), 10864 states have internal predecessors, (13861), 4613 states have call successors, (4613), 1531 states have call predecessors, (4613), 1622 states have return successors, (4851), 4592 states have call predecessors, (4851), 4611 states have call successors, (4851) [2023-04-02 10:32:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16878 states to 16878 states and 23325 transitions. [2023-04-02 10:32:28,570 INFO L78 Accepts]: Start accepts. Automaton has 16878 states and 23325 transitions. Word has length 396 [2023-04-02 10:32:28,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:32:28,570 INFO L495 AbstractCegarLoop]: Abstraction has 16878 states and 23325 transitions. [2023-04-02 10:32:28,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (58), 9 states have call predecessors, (58), 2 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-04-02 10:32:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 16878 states and 23325 transitions. [2023-04-02 10:32:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2023-04-02 10:32:28,586 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:32:28,586 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:32:28,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 10:32:28,586 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:32:28,586 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:32:28,586 INFO L85 PathProgramCache]: Analyzing trace with hash 596936476, now seen corresponding path program 1 times [2023-04-02 10:32:28,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:32:28,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609246041] [2023-04-02 10:32:28,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:28,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:32:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:32:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:32:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:32:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:32:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:32:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 10:32:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-04-02 10:32:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 10:32:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 10:32:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:32:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 10:32:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 10:32:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-04-02 10:32:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-04-02 10:32:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:32:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 10:32:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:32:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 10:32:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-04-02 10:32:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-04-02 10:32:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-04-02 10:32:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:32:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:32:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:32:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:29,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2480 trivial. 0 not checked. [2023-04-02 10:32:29,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:32:29,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609246041] [2023-04-02 10:32:29,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609246041] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:32:29,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573708942] [2023-04-02 10:32:29,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:29,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:32:29,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:32:29,587 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 10:32:29,616 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 10:32:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:30,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 2525 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 10:32:30,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:32:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2485 trivial. 0 not checked. [2023-04-02 10:32:30,133 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:32:30,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573708942] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:32:30,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:32:30,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2023-04-02 10:32:30,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293827784] [2023-04-02 10:32:30,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:32:30,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 10:32:30,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:32:30,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 10:32:30,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:32:30,135 INFO L87 Difference]: Start difference. First operand 16878 states and 23325 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2023-04-02 10:32:33,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:32:33,401 INFO L93 Difference]: Finished difference Result 16896 states and 23357 transitions. [2023-04-02 10:32:33,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 10:32:33,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 408 [2023-04-02 10:32:33,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:32:33,452 INFO L225 Difference]: With dead ends: 16896 [2023-04-02 10:32:33,452 INFO L226 Difference]: Without dead ends: 16893 [2023-04-02 10:32:33,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 548 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:32:33,458 INFO L413 NwaCegarLoop]: 1480 mSDtfsCounter, 0 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2955 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:32:33,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2955 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:32:33,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16893 states. [2023-04-02 10:32:36,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16893 to 16893. [2023-04-02 10:32:36,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16893 states, 10657 states have (on average 1.3020549873322698) internal successors, (13876), 10879 states have internal predecessors, (13876), 4613 states have call successors, (4613), 1531 states have call predecessors, (4613), 1622 states have return successors, (4851), 4592 states have call predecessors, (4851), 4611 states have call successors, (4851) [2023-04-02 10:32:36,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16893 states to 16893 states and 23340 transitions. [2023-04-02 10:32:36,907 INFO L78 Accepts]: Start accepts. Automaton has 16893 states and 23340 transitions. Word has length 408 [2023-04-02 10:32:36,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:32:36,908 INFO L495 AbstractCegarLoop]: Abstraction has 16893 states and 23340 transitions. [2023-04-02 10:32:36,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2023-04-02 10:32:36,909 INFO L276 IsEmpty]: Start isEmpty. Operand 16893 states and 23340 transitions. [2023-04-02 10:32:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2023-04-02 10:32:36,925 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:32:36,925 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:32:36,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 10:32:37,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-04-02 10:32:37,135 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:32:37,135 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:32:37,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1959746945, now seen corresponding path program 1 times [2023-04-02 10:32:37,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:32:37,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392887698] [2023-04-02 10:32:37,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:37,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:32:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:32:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:32:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:32:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:32:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:32:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 10:32:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-04-02 10:32:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 10:32:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 10:32:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:32:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 10:32:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 10:32:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-04-02 10:32:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-04-02 10:32:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:32:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 10:32:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:32:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 10:32:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-04-02 10:32:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-04-02 10:32:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-04-02 10:32:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:38,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:32:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:38,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:38,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:38,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:32:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:38,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:38,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:38,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:32:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:38,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2480 trivial. 0 not checked. [2023-04-02 10:32:38,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:32:38,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392887698] [2023-04-02 10:32:38,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392887698] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:32:38,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136812650] [2023-04-02 10:32:38,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:38,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:32:38,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:32:38,045 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 10:32:38,121 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 10:32:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:38,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 2530 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 10:32:38,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:32:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2485 trivial. 0 not checked. [2023-04-02 10:32:38,756 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:32:38,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136812650] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:32:38,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:32:38,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2023-04-02 10:32:38,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634547344] [2023-04-02 10:32:38,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:32:38,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 10:32:38,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:32:38,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 10:32:38,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:32:38,758 INFO L87 Difference]: Start difference. First operand 16893 states and 23340 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2023-04-02 10:32:42,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:32:42,012 INFO L93 Difference]: Finished difference Result 33777 states and 46775 transitions. [2023-04-02 10:32:42,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 10:32:42,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 410 [2023-04-02 10:32:42,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:32:42,128 INFO L225 Difference]: With dead ends: 33777 [2023-04-02 10:32:42,129 INFO L226 Difference]: Without dead ends: 16908 [2023-04-02 10:32:42,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 550 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:32:42,169 INFO L413 NwaCegarLoop]: 1480 mSDtfsCounter, 0 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:32:42,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2956 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:32:42,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16908 states. [2023-04-02 10:32:45,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16908 to 16908. [2023-04-02 10:32:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16908 states, 10672 states have (on average 1.3016304347826086) internal successors, (13891), 10894 states have internal predecessors, (13891), 4613 states have call successors, (4613), 1531 states have call predecessors, (4613), 1622 states have return successors, (4851), 4592 states have call predecessors, (4851), 4611 states have call successors, (4851) [2023-04-02 10:32:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16908 states to 16908 states and 23355 transitions. [2023-04-02 10:32:45,676 INFO L78 Accepts]: Start accepts. Automaton has 16908 states and 23355 transitions. Word has length 410 [2023-04-02 10:32:45,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:32:45,677 INFO L495 AbstractCegarLoop]: Abstraction has 16908 states and 23355 transitions. [2023-04-02 10:32:45,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2023-04-02 10:32:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 16908 states and 23355 transitions. [2023-04-02 10:32:45,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2023-04-02 10:32:45,692 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:32:45,693 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:32:45,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-02 10:32:45,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-04-02 10:32:45,901 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:32:45,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:32:45,901 INFO L85 PathProgramCache]: Analyzing trace with hash 968703575, now seen corresponding path program 1 times [2023-04-02 10:32:45,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:32:45,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608532027] [2023-04-02 10:32:45,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:45,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:32:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:32:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:32:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:32:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:32:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:32:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 10:32:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-04-02 10:32:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 10:32:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 10:32:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:32:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 10:32:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 10:32:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-04-02 10:32:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2023-04-02 10:32:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:32:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 10:32:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:32:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 10:32:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2023-04-02 10:32:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2023-04-02 10:32:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-04-02 10:32:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:32:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:32:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:32:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2480 trivial. 0 not checked. [2023-04-02 10:32:46,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:32:46,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608532027] [2023-04-02 10:32:46,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608532027] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:32:46,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106145603] [2023-04-02 10:32:46,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:46,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:32:46,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:32:46,732 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 10:32:46,777 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 10:32:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:47,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 2531 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 10:32:47,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:32:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 1268 proven. 0 refuted. 0 times theorem prover too weak. 1217 trivial. 0 not checked. [2023-04-02 10:32:47,233 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:32:47,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106145603] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:32:47,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:32:47,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2023-04-02 10:32:47,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446326192] [2023-04-02 10:32:47,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:32:47,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 10:32:47,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:32:47,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 10:32:47,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:32:47,235 INFO L87 Difference]: Start difference. First operand 16908 states and 23355 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-04-02 10:32:50,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:32:50,803 INFO L93 Difference]: Finished difference Result 33807 states and 46775 transitions. [2023-04-02 10:32:50,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 10:32:50,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) Word has length 411 [2023-04-02 10:32:50,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:32:50,856 INFO L225 Difference]: With dead ends: 33807 [2023-04-02 10:32:50,857 INFO L226 Difference]: Without dead ends: 16923 [2023-04-02 10:32:50,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 551 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2023-04-02 10:32:50,899 INFO L413 NwaCegarLoop]: 1480 mSDtfsCounter, 0 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:32:50,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2956 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:32:50,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16923 states. [2023-04-02 10:32:54,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16923 to 16923. [2023-04-02 10:32:54,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16923 states, 10687 states have (on average 1.3012070740151587) internal successors, (13906), 10909 states have internal predecessors, (13906), 4613 states have call successors, (4613), 1531 states have call predecessors, (4613), 1622 states have return successors, (4851), 4592 states have call predecessors, (4851), 4611 states have call successors, (4851) [2023-04-02 10:32:54,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16923 states to 16923 states and 23370 transitions. [2023-04-02 10:32:54,348 INFO L78 Accepts]: Start accepts. Automaton has 16923 states and 23370 transitions. Word has length 411 [2023-04-02 10:32:54,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:32:54,349 INFO L495 AbstractCegarLoop]: Abstraction has 16923 states and 23370 transitions. [2023-04-02 10:32:54,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2023-04-02 10:32:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 16923 states and 23370 transitions. [2023-04-02 10:32:54,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2023-04-02 10:32:54,362 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:32:54,362 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:32:54,373 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 10:32:54,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:32:54,574 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:32:54,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:32:54,574 INFO L85 PathProgramCache]: Analyzing trace with hash -270523624, now seen corresponding path program 1 times [2023-04-02 10:32:54,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:32:54,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546119854] [2023-04-02 10:32:54,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:54,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:32:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:32:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:32:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:32:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:32:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:32:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:32:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 10:32:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-04-02 10:32:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 10:32:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 10:32:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 10:32:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 10:32:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 10:32:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:32:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:32:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:32:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:32:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:32:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2023-04-02 10:32:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:32:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:32:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2023-04-02 10:32:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2023-04-02 10:32:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2023-04-02 10:32:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:32:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:32:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:32:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:32:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:32:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:32:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:32:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1724 trivial. 0 not checked. [2023-04-02 10:32:55,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:32:55,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546119854] [2023-04-02 10:32:55,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546119854] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:32:55,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99830401] [2023-04-02 10:32:55,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:32:55,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:32:55,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:32:55,388 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 10:32:55,391 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 10:32:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:32:55,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 2405 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-02 10:32:55,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:32:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2023-04-02 10:32:55,951 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:32:55,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99830401] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:32:55,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:32:55,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2023-04-02 10:32:55,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769325241] [2023-04-02 10:32:55,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:32:55,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 10:32:55,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:32:55,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 10:32:55,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-04-02 10:32:55,953 INFO L87 Difference]: Start difference. First operand 16923 states and 23370 transitions. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 10:33:01,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:33:01,056 INFO L93 Difference]: Finished difference Result 42328 states and 58497 transitions. [2023-04-02 10:33:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:33:01,056 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) Word has length 373 [2023-04-02 10:33:01,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:33:01,155 INFO L225 Difference]: With dead ends: 42328 [2023-04-02 10:33:01,155 INFO L226 Difference]: Without dead ends: 25429 [2023-04-02 10:33:01,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 494 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2023-04-02 10:33:01,201 INFO L413 NwaCegarLoop]: 2166 mSDtfsCounter, 1499 mSDsluCounter, 10113 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 12279 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:33:01,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 12279 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:33:01,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25429 states. [2023-04-02 10:33:06,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25429 to 25272. [2023-04-02 10:33:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25272 states, 15974 states have (on average 1.3018029297608613) internal successors, (20795), 16318 states have internal predecessors, (20795), 6866 states have call successors, (6866), 2284 states have call predecessors, (6866), 2431 states have return successors, (7303), 6833 states have call predecessors, (7303), 6864 states have call successors, (7303) [2023-04-02 10:33:06,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25272 states to 25272 states and 34964 transitions. [2023-04-02 10:33:06,252 INFO L78 Accepts]: Start accepts. Automaton has 25272 states and 34964 transitions. Word has length 373 [2023-04-02 10:33:06,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:33:06,252 INFO L495 AbstractCegarLoop]: Abstraction has 25272 states and 34964 transitions. [2023-04-02 10:33:06,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 10:33:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 25272 states and 34964 transitions. [2023-04-02 10:33:06,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2023-04-02 10:33:06,271 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:33:06,271 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:33:06,283 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 10:33:06,480 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 10:33:06,480 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:33:06,480 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:33:06,480 INFO L85 PathProgramCache]: Analyzing trace with hash -813804789, now seen corresponding path program 1 times [2023-04-02 10:33:06,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:33:06,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766227555] [2023-04-02 10:33:06,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:33:06,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:33:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:33:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:06,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:06,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:33:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:06,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:33:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:33:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:33:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:33:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 10:33:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 10:33:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 10:33:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 10:33:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 10:33:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 10:33:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:33:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-02 10:33:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 10:33:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:33:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2023-04-02 10:33:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-04-02 10:33:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2023-04-02 10:33:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:33:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:33:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:33:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2023-04-02 10:33:07,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:33:07,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766227555] [2023-04-02 10:33:07,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766227555] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:33:07,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293119931] [2023-04-02 10:33:07,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:33:07,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:33:07,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:33:07,349 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 10:33:07,354 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 10:33:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:07,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 2407 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-02 10:33:07,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:33:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2023-04-02 10:33:07,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:33:07,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293119931] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:33:07,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:33:07,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2023-04-02 10:33:07,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518768393] [2023-04-02 10:33:07,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:33:07,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 10:33:07,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:33:07,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 10:33:07,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-04-02 10:33:07,888 INFO L87 Difference]: Start difference. First operand 25272 states and 34964 transitions. Second operand has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 10:33:14,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:33:14,763 INFO L93 Difference]: Finished difference Result 59079 states and 81747 transitions. [2023-04-02 10:33:14,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:33:14,763 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) Word has length 374 [2023-04-02 10:33:14,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:33:14,974 INFO L225 Difference]: With dead ends: 59079 [2023-04-02 10:33:14,975 INFO L226 Difference]: Without dead ends: 33831 [2023-04-02 10:33:15,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 494 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=607, Unknown=0, NotChecked=0, Total=702 [2023-04-02 10:33:15,032 INFO L413 NwaCegarLoop]: 2191 mSDtfsCounter, 1499 mSDsluCounter, 10201 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 12392 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:33:15,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 12392 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:33:15,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33831 states. [2023-04-02 10:33:21,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33831 to 33653. [2023-04-02 10:33:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33653 states, 21281 states have (on average 1.3018185235656219) internal successors, (27704), 21763 states have internal predecessors, (27704), 9119 states have call successors, (9119), 3037 states have call predecessors, (9119), 3252 states have return successors, (9783), 9070 states have call predecessors, (9783), 9117 states have call successors, (9783) [2023-04-02 10:33:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33653 states to 33653 states and 46606 transitions. [2023-04-02 10:33:21,835 INFO L78 Accepts]: Start accepts. Automaton has 33653 states and 46606 transitions. Word has length 374 [2023-04-02 10:33:21,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:33:21,835 INFO L495 AbstractCegarLoop]: Abstraction has 33653 states and 46606 transitions. [2023-04-02 10:33:21,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.285714285714285) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 10:33:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 33653 states and 46606 transitions. [2023-04-02 10:33:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2023-04-02 10:33:21,861 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:33:21,862 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:33:21,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-04-02 10:33:22,070 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 10:33:22,071 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:33:22,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:33:22,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1437168961, now seen corresponding path program 1 times [2023-04-02 10:33:22,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:33:22,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902147890] [2023-04-02 10:33:22,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:33:22,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:33:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:33:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:33:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:33:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:33:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:33:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:33:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 10:33:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 10:33:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 10:33:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 10:33:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 10:33:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 10:33:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:33:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-04-02 10:33:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2023-04-02 10:33:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:33:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2023-04-02 10:33:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2023-04-02 10:33:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2023-04-02 10:33:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:33:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:33:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:33:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2023-04-02 10:33:22,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:33:22,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902147890] [2023-04-02 10:33:22,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902147890] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:33:22,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288627426] [2023-04-02 10:33:22,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:33:22,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:33:22,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:33:22,793 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 10:33:22,807 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 10:33:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:23,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 2409 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-02 10:33:23,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:33:23,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2023-04-02 10:33:23,327 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:33:23,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288627426] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:33:23,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:33:23,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2023-04-02 10:33:23,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879343749] [2023-04-02 10:33:23,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:33:23,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 10:33:23,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:33:23,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 10:33:23,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-04-02 10:33:23,329 INFO L87 Difference]: Start difference. First operand 33653 states and 46606 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 10:33:31,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:33:31,926 INFO L93 Difference]: Finished difference Result 75830 states and 105029 transitions. [2023-04-02 10:33:31,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:33:31,926 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) Word has length 375 [2023-04-02 10:33:31,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:33:32,103 INFO L225 Difference]: With dead ends: 75830 [2023-04-02 10:33:32,104 INFO L226 Difference]: Without dead ends: 42201 [2023-04-02 10:33:32,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=607, Unknown=0, NotChecked=0, Total=702 [2023-04-02 10:33:32,194 INFO L413 NwaCegarLoop]: 2192 mSDtfsCounter, 1498 mSDsluCounter, 10205 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 12397 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:33:32,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 12397 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:33:32,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42201 states. [2023-04-02 10:33:38,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42201 to 33675. [2023-04-02 10:33:38,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33675 states, 21297 states have (on average 1.3015917734892237) internal successors, (27720), 21781 states have internal predecessors, (27720), 9119 states have call successors, (9119), 3037 states have call predecessors, (9119), 3258 states have return successors, (9792), 9074 states have call predecessors, (9792), 9117 states have call successors, (9792) [2023-04-02 10:33:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33675 states to 33675 states and 46631 transitions. [2023-04-02 10:33:39,078 INFO L78 Accepts]: Start accepts. Automaton has 33675 states and 46631 transitions. Word has length 375 [2023-04-02 10:33:39,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:33:39,093 INFO L495 AbstractCegarLoop]: Abstraction has 33675 states and 46631 transitions. [2023-04-02 10:33:39,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 10:33:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 33675 states and 46631 transitions. [2023-04-02 10:33:39,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-04-02 10:33:39,137 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:33:39,137 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:33:39,161 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 10:33:39,346 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 10:33:39,347 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:33:39,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:33:39,347 INFO L85 PathProgramCache]: Analyzing trace with hash -482657811, now seen corresponding path program 1 times [2023-04-02 10:33:39,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:33:39,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367647502] [2023-04-02 10:33:39,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:33:39,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:33:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:33:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:33:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:33:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:33:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:33:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:39,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-04-02 10:33:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 10:33:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 10:33:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 10:33:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 10:33:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 10:33:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:33:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-04-02 10:33:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-04-02 10:33:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:33:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2023-04-02 10:33:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:33:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:33:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-04-02 10:33:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 10:33:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-04-02 10:33:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2023-04-02 10:33:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2023-04-02 10:33:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2023-04-02 10:33:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:33:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:33:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:33:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2476 trivial. 0 not checked. [2023-04-02 10:33:40,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:33:40,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367647502] [2023-04-02 10:33:40,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367647502] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:33:40,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964798587] [2023-04-02 10:33:40,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:33:40,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:33:40,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:33:40,161 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 10:33:40,163 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 10:33:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:40,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 2538 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 10:33:40,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:33:40,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 1035 proven. 0 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-04-02 10:33:40,642 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:33:40,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964798587] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:33:40,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:33:40,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [15] total 16 [2023-04-02 10:33:40,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876881223] [2023-04-02 10:33:40,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:33:40,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 10:33:40,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:33:40,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 10:33:40,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-04-02 10:33:40,644 INFO L87 Difference]: Start difference. First operand 33675 states and 46631 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-04-02 10:33:47,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:33:47,276 INFO L93 Difference]: Finished difference Result 67355 states and 93407 transitions. [2023-04-02 10:33:47,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 10:33:47,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 415 [2023-04-02 10:33:47,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:33:47,387 INFO L225 Difference]: With dead ends: 67355 [2023-04-02 10:33:47,387 INFO L226 Difference]: Without dead ends: 33704 [2023-04-02 10:33:47,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-04-02 10:33:47,474 INFO L413 NwaCegarLoop]: 1480 mSDtfsCounter, 0 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2956 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:33:47,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2956 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:33:47,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33704 states. [2023-04-02 10:33:54,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33704 to 33704. [2023-04-02 10:33:54,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33704 states, 21326 states have (on average 1.3011816561943168) internal successors, (27749), 21810 states have internal predecessors, (27749), 9119 states have call successors, (9119), 3037 states have call predecessors, (9119), 3258 states have return successors, (9792), 9074 states have call predecessors, (9792), 9117 states have call successors, (9792) [2023-04-02 10:33:54,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33704 states to 33704 states and 46660 transitions. [2023-04-02 10:33:54,392 INFO L78 Accepts]: Start accepts. Automaton has 33704 states and 46660 transitions. Word has length 415 [2023-04-02 10:33:54,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:33:54,392 INFO L495 AbstractCegarLoop]: Abstraction has 33704 states and 46660 transitions. [2023-04-02 10:33:54,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-04-02 10:33:54,392 INFO L276 IsEmpty]: Start isEmpty. Operand 33704 states and 46660 transitions. [2023-04-02 10:33:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2023-04-02 10:33:54,445 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:33:54,445 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:33:54,456 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 10:33:54,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:33:54,654 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:33:54,654 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:33:54,654 INFO L85 PathProgramCache]: Analyzing trace with hash -248139054, now seen corresponding path program 1 times [2023-04-02 10:33:54,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:33:54,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144215746] [2023-04-02 10:33:54,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:33:54,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:33:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:33:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:33:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:33:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:33:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:33:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:33:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-04-02 10:33:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 10:33:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 10:33:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 10:33:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 10:33:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 10:33:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:33:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-04-02 10:33:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:33:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:33:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:33:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:33:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:33:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2023-04-02 10:33:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:33:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:33:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2023-04-02 10:33:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-04-02 10:33:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2023-04-02 10:33:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:33:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:33:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:33:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:33:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:33:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:33:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:33:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2023-04-02 10:33:55,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:33:55,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144215746] [2023-04-02 10:33:55,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144215746] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:33:55,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636045532] [2023-04-02 10:33:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:33:55,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:33:55,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:33:55,354 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 10:33:55,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-04-02 10:33:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:33:55,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 2411 conjuncts, 9 conjunts are in the unsatisfiable core [2023-04-02 10:33:55,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:33:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1720 trivial. 0 not checked. [2023-04-02 10:33:55,883 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 10:33:55,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636045532] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 10:33:55,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 10:33:55,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 20 [2023-04-02 10:33:55,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538419095] [2023-04-02 10:33:55,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 10:33:55,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 10:33:55,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:33:55,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 10:33:55,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-04-02 10:33:55,884 INFO L87 Difference]: Start difference. First operand 33704 states and 46660 transitions. Second operand has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 10:34:04,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:34:04,372 INFO L93 Difference]: Finished difference Result 75925 states and 105125 transitions. [2023-04-02 10:34:04,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 10:34:04,373 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) Word has length 376 [2023-04-02 10:34:04,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:34:04,504 INFO L225 Difference]: With dead ends: 75925 [2023-04-02 10:34:04,504 INFO L226 Difference]: Without dead ends: 42245 [2023-04-02 10:34:04,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=607, Unknown=0, NotChecked=0, Total=702 [2023-04-02 10:34:04,572 INFO L413 NwaCegarLoop]: 2191 mSDtfsCounter, 1499 mSDsluCounter, 10201 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 12392 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:34:04,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 12392 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 10:34:04,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42245 states. [2023-04-02 10:34:11,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42245 to 33717. [2023-04-02 10:34:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33717 states, 21336 states have (on average 1.3010404949381327) internal successors, (27759), 21819 states have internal predecessors, (27759), 9119 states have call successors, (9119), 3037 states have call predecessors, (9119), 3261 states have return successors, (9793), 9078 states have call predecessors, (9793), 9117 states have call successors, (9793) [2023-04-02 10:34:11,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33717 states to 33717 states and 46671 transitions. [2023-04-02 10:34:11,369 INFO L78 Accepts]: Start accepts. Automaton has 33717 states and 46671 transitions. Word has length 376 [2023-04-02 10:34:11,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 10:34:11,369 INFO L495 AbstractCegarLoop]: Abstraction has 33717 states and 46671 transitions. [2023-04-02 10:34:11,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 5 states have internal predecessors, (123), 3 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 10:34:11,369 INFO L276 IsEmpty]: Start isEmpty. Operand 33717 states and 46671 transitions. [2023-04-02 10:34:11,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2023-04-02 10:34:11,396 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 10:34:11,396 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 10:34:11,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-04-02 10:34:11,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-02 10:34:11,605 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 10:34:11,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 10:34:11,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1248384952, now seen corresponding path program 1 times [2023-04-02 10:34:11,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 10:34:11,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163141761] [2023-04-02 10:34:11,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:34:11,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 10:34:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:11,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 10:34:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:11,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:34:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:11,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:34:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:11,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:34:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 10:34:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:34:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 10:34:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 10:34:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 10:34:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:34:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 10:34:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 10:34:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 10:34:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:34:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 10:34:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 10:34:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:34:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:34:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:34:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 10:34:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 10:34:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:34:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:34:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:34:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:34:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:34:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:34:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:34:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 10:34:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:34:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:34:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:34:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:34:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:34:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:34:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:34:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 10:34:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:34:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:34:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:34:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:34:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:34:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-04-02 10:34:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 10:34:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:34:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-04-02 10:34:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 10:34:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-04-02 10:34:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:34:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 10:34:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-04-02 10:34:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:34:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:34:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 10:34:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:34:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 10:34:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2023-04-02 10:34:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2023-04-02 10:34:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2023-04-02 10:34:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-04-02 10:34:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 10:34:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 10:34:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 10:34:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-04-02 10:34:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 10:34:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 10:34:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2023-04-02 10:34:12,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 10:34:12,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163141761] [2023-04-02 10:34:12,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163141761] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 10:34:12,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518343139] [2023-04-02 10:34:12,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 10:34:12,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 10:34:12,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 10:34:12,468 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 10:34:12,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-04-02 10:34:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 10:34:12,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 2498 conjuncts, 16 conjunts are in the unsatisfiable core [2023-04-02 10:34:12,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 10:34:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 1725 trivial. 0 not checked. [2023-04-02 10:34:13,107 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 10:34:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 1725 trivial. 0 not checked. [2023-04-02 10:34:13,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518343139] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 10:34:13,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 10:34:13,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11, 11] total 31 [2023-04-02 10:34:13,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261979852] [2023-04-02 10:34:13,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 10:34:13,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-04-02 10:34:13,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 10:34:13,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-04-02 10:34:13,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=835, Unknown=0, NotChecked=0, Total=930 [2023-04-02 10:34:13,692 INFO L87 Difference]: Start difference. First operand 33717 states and 46671 transitions. Second operand has 31 states, 31 states have (on average 7.451612903225806) internal successors, (231), 19 states have internal predecessors, (231), 8 states have call successors, (106), 14 states have call predecessors, (106), 13 states have return successors, (89), 10 states have call predecessors, (89), 8 states have call successors, (89) [2023-04-02 10:35:15,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 10:35:15,097 INFO L93 Difference]: Finished difference Result 108154 states and 153878 transitions. [2023-04-02 10:35:15,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2023-04-02 10:35:15,097 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 7.451612903225806) internal successors, (231), 19 states have internal predecessors, (231), 8 states have call successors, (106), 14 states have call predecessors, (106), 13 states have return successors, (89), 10 states have call predecessors, (89), 8 states have call successors, (89) Word has length 391 [2023-04-02 10:35:15,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 10:35:15,374 INFO L225 Difference]: With dead ends: 108154 [2023-04-02 10:35:15,374 INFO L226 Difference]: Without dead ends: 74265 [2023-04-02 10:35:15,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1139 GetRequests, 922 SyntacticMatches, 10 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17474 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=6256, Invalid=37216, Unknown=0, NotChecked=0, Total=43472 [2023-04-02 10:35:15,606 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 26603 mSDsluCounter, 3024 mSDsCounter, 0 mSdLazyCounter, 44190 mSolverCounterSat, 19792 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26776 SdHoareTripleChecker+Valid, 3177 SdHoareTripleChecker+Invalid, 63982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 19792 IncrementalHoareTripleChecker+Valid, 44190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2023-04-02 10:35:15,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26776 Valid, 3177 Invalid, 63982 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [19792 Valid, 44190 Invalid, 0 Unknown, 0 Unchecked, 34.0s Time] [2023-04-02 10:35:15,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74265 states.