/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-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 09:41:50,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 09:41:50,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 09:41:50,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 09:41:50,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 09:41:50,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 09:41:50,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 09:41:50,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 09:41:50,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 09:41:50,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 09:41:50,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 09:41:50,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 09:41:50,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 09:41:50,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 09:41:50,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 09:41:50,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 09:41:50,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 09:41:50,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 09:41:50,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 09:41:50,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 09:41:50,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 09:41:50,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 09:41:50,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 09:41:50,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 09:41:50,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 09:41:50,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 09:41:50,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 09:41:50,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 09:41:50,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 09:41:50,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 09:41:50,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 09:41:50,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 09:41:50,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 09:41:50,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 09:41:50,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 09:41:50,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 09:41:50,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 09:41:50,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 09:41:50,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 09:41:50,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 09:41:50,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 09:41:50,317 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 09:41:50,338 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 09:41:50,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 09:41:50,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 09:41:50,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 09:41:50,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 09:41:50,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 09:41:50,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 09:41:50,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 09:41:50,340 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 09:41:50,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 09:41:50,340 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 09:41:50,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 09:41:50,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 09:41:50,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 09:41:50,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 09:41:50,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 09:41:50,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 09:41:50,341 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 09:41:50,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 09:41:50,341 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 09:41:50,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 09:41:50,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 09:41:50,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 09:41:50,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 09:41:50,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 09:41:50,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 09:41:50,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 09:41:50,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 09:41:50,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 09:41:50,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 09:41:50,342 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 09:41:50,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 09:41:50,343 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 09:41:50,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 09:41:50,343 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 09:41:50,343 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 09:41:50,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 09:41:50,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 09:41:50,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 09:41:50,559 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 09:41:50,560 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 09:41:50,561 INFO L432 ainManager$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-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2023-04-02 09:41:51,627 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 09:41:51,955 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 09:41:51,955 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2023-04-02 09:41:51,981 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f36f8a5/dfa8fcb16fd24508a20119caf59fa3d6/FLAGef3d50297 [2023-04-02 09:41:51,992 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f36f8a5/dfa8fcb16fd24508a20119caf59fa3d6 [2023-04-02 09:41:51,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 09:41:51,995 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 09:41:51,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 09:41:51,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 09:41:51,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 09:41:52,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:41:51" (1/1) ... [2023-04-02 09:41:52,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4485fb3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:52, skipping insertion in model container [2023-04-02 09:41:52,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 09:41:51" (1/1) ... [2023-04-02 09:41:52,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 09:41:52,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 09:41:52,855 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-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i[217361,217374] [2023-04-02 09:41:52,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 09:41:52,970 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 09:41:53,221 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-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i[217361,217374] [2023-04-02 09:41:53,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 09:41:53,283 INFO L208 MainTranslator]: Completed translation [2023-04-02 09:41:53,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:53 WrapperNode [2023-04-02 09:41:53,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 09:41:53,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 09:41:53,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 09:41:53,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 09:41:53,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:53" (1/1) ... [2023-04-02 09:41:53,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:53" (1/1) ... [2023-04-02 09:41:53,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:53" (1/1) ... [2023-04-02 09:41:53,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:53" (1/1) ... [2023-04-02 09:41:53,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:53" (1/1) ... [2023-04-02 09:41:53,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:53" (1/1) ... [2023-04-02 09:41:53,452 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:53" (1/1) ... [2023-04-02 09:41:53,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:53" (1/1) ... [2023-04-02 09:41:53,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 09:41:53,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 09:41:53,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 09:41:53,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 09:41:53,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:53" (1/1) ... [2023-04-02 09:41:53,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 09:41:53,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 09:41:53,514 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 09:41:53,537 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 09:41:53,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 09:41:53,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2023-04-02 09:41:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-02 09:41:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_lock_nointr [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sector [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_format [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_copies [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_format_to_md_layout [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure get_raid_type [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure context_alloc [2023-04-02 09:41:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure context_free [2023-04-02 09:41:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_parms [2023-04-02 09:41:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_region_size [2023-04-02 09:41:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_raid_redundancy [2023-04-02 09:41:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_raid_params [2023-04-02 09:41:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure do_table_event [2023-04-02 09:41:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_is_congested [2023-04-02 09:41:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure read_disk_sb [2023-04-02 09:41:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure super_sync [2023-04-02 09:41:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure super_load [2023-04-02 09:41:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure super_init_validation [2023-04-02 09:41:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure super_validate [2023-04-02 09:41:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure analyse_superblocks [2023-04-02 09:41:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_discard_support [2023-04-02 09:41:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_ctr [2023-04-02 09:41:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_dtr [2023-04-02 09:41:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_map [2023-04-02 09:41:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure decipher_sync_action [2023-04-02 09:41:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_status [2023-04-02 09:41:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_message [2023-04-02 09:41:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_iterate_devices [2023-04-02 09:41:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_io_hints [2023-04-02 09:41:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_presuspend [2023-04-02 09:41:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_postsuspend [2023-04-02 09:41:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure attempt_restore_of_faulty_devices [2023-04-02 09:41:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_resume [2023-04-02 09:41:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_merge [2023-04-02 09:41:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_init [2023-04-02 09:41:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_exit [2023-04-02 09:41:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-04-02 09:41:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-04-02 09:41:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-04-02 09:41:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2023-04-02 09:41:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-04-02 09:41:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-04-02 09:41:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-04-02 09:41:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 09:41:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-04-02 09:41:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-04-02 09:41:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-02 09:41:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2023-04-02 09:41:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2023-04-02 09:41:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2023-04-02 09:41:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2023-04-02 09:41:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2023-04-02 09:41:53,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2023-04-02 09:41:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-04-02 09:41:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2023-04-02 09:41:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2023-04-02 09:41:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2023-04-02 09:41:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2023-04-02 09:41:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2023-04-02 09:41:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2023-04-02 09:41:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2023-04-02 09:41:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_20 [2023-04-02 09:41:53,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-02 09:41:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-02 09:41:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-02 09:41:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-02 09:41:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-02 09:41:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-02 09:41:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-02 09:41:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-02 09:41:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-02 09:41:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-02 09:41:53,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-02 09:41:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-02 09:41:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-02 09:41:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-02 09:41:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-02 09:41:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-02 09:41:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-02 09:41:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 09:41:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-04-02 09:41:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-04-02 09:41:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-04-02 09:41:53,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 09:41:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-04-02 09:41:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-04-02 09:41:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2023-04-02 09:41:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2023-04-02 09:41:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2023-04-02 09:41:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2023-04-02 09:41:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 09:41:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 09:41:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 09:41:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 09:41:53,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 09:41:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 09:41:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 09:41:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2023-04-02 09:41:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-02 09:41:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-02 09:41:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-02 09:41:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2023-04-02 09:41:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2023-04-02 09:41:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2023-04-02 09:41:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2023-04-02 09:41:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_load [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_set_target_max_io_len [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_add_target_callbacks [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2023-04-02 09:41:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_preresume_2 [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure md_error [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_clear [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_init [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure md_reap_sync_thread [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure md_run [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop_writes [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_congested [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_init [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_resume [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_suspend [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_unlock [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-04-02 09:41:53,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_set_cache_size [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_page_io [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-02 09:41:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-02 09:41:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 09:41:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 09:41:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-02 09:41:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-02 09:41:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 09:41:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 09:41:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-02 09:41:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-04-02 09:41:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-02 09:41:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_20 [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-02 09:41:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-02 09:41:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-02 09:41:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-02 09:41:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-02 09:41:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-02 09:41:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-02 09:41:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-02 09:41:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-04-02 09:41:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2023-04-02 09:41:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-04-02 09:41:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2023-04-02 09:41:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2023-04-02 09:41:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2023-04-02 09:41:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2023-04-02 09:41:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2023-04-02 09:41:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-04-02 09:41:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-04-02 09:41:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-04-02 09:41:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-04-02 09:41:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-04-02 09:41:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-04-02 09:41:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2023-04-02 09:41:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2023-04-02 09:41:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2023-04-02 09:41:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-02 09:41:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-04-02 09:41:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-04-02 09:41:53,630 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_lock_nointr [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_unlock [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure md_reap_sync_thread [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure md_error [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_congested [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure sync_page_io [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_init [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure md_run [2023-04-02 09:41:53,631 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop_writes [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_init [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_clear [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_suspend [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_resume [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_set_cache_size [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_load [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_add_target_callbacks [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure dm_set_target_max_io_len [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure to_sector [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_format [2023-04-02 09:41:53,632 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_copies [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_format_to_md_layout [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_raid_type [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure context_alloc [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure context_free [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure dev_parms [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure validate_region_size [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure validate_raid_redundancy [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure parse_raid_params [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure do_table_event [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure raid_is_congested [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure read_disk_sb [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure super_sync [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure super_load [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure super_init_validation [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure super_validate [2023-04-02 09:41:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure analyse_superblocks [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure configure_discard_support [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure raid_ctr [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure raid_dtr [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure raid_map [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure decipher_sync_action [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure raid_status [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure raid_message [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure raid_iterate_devices [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure raid_io_hints [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure raid_presuspend [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure raid_postsuspend [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure attempt_restore_of_faulty_devices [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure raid_resume [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure raid_merge [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-04-02 09:41:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_init [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_exit [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_preresume_2 [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-04-02 09:41:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-04-02 09:41:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-02 09:41:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 09:41:54,194 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 09:41:54,197 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 09:41:54,264 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-02 09:41:56,981 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 09:41:56,997 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 09:41:56,997 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-02 09:41:56,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:41:56 BoogieIcfgContainer [2023-04-02 09:41:56,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 09:41:57,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 09:41:57,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 09:41:57,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 09:41:57,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 09:41:51" (1/3) ... [2023-04-02 09:41:57,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130099bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:41:57, skipping insertion in model container [2023-04-02 09:41:57,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 09:41:53" (2/3) ... [2023-04-02 09:41:57,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130099bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 09:41:57, skipping insertion in model container [2023-04-02 09:41:57,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 09:41:56" (3/3) ... [2023-04-02 09:41:57,004 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2023-04-02 09:41:57,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 09:41:57,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 09:41:57,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 09:41:57,065 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;@5e15b539, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 09:41:57,065 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 09:41:57,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 1881 states, 1310 states have (on average 1.383206106870229) internal successors, (1812), 1343 states have internal predecessors, (1812), 388 states have call successors, (388), 129 states have call predecessors, (388), 128 states have return successors, (383), 378 states have call predecessors, (383), 383 states have call successors, (383) [2023-04-02 09:41:57,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-04-02 09:41:57,083 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:41:57,083 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:41:57,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:41:57,087 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:41:57,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1055325749, now seen corresponding path program 1 times [2023-04-02 09:41:57,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:41:57,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477085892] [2023-04-02 09:41:57,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:41:57,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:41:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:41:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:41:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:41:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:41:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:41:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:41:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:41:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:41:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:41:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:41:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:41:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:41:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:41:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:41:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:41:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:41:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:41:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:41:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:41:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:41:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:41:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:41:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:41:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:41:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:41:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:41:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:41:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 09:41:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:41:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:41:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-04-02 09:41:57,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:41:57,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477085892] [2023-04-02 09:41:57,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477085892] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:41:57,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:41:57,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-02 09:41:57,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385837536] [2023-04-02 09:41:57,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:41:57,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 09:41:57,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:41:57,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 09:41:57,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-02 09:41:57,984 INFO L87 Difference]: Start difference. First operand has 1881 states, 1310 states have (on average 1.383206106870229) internal successors, (1812), 1343 states have internal predecessors, (1812), 388 states have call successors, (388), 129 states have call predecessors, (388), 128 states have return successors, (383), 378 states have call predecessors, (383), 383 states have call successors, (383) Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 09:42:07,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:42:07,458 INFO L93 Difference]: Finished difference Result 3337 states and 4792 transitions. [2023-04-02 09:42:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-02 09:42:07,460 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 237 [2023-04-02 09:42:07,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:42:07,477 INFO L225 Difference]: With dead ends: 3337 [2023-04-02 09:42:07,477 INFO L226 Difference]: Without dead ends: 1714 [2023-04-02 09:42:07,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2023-04-02 09:42:07,490 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 3451 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 4728 mSolverCounterSat, 1446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3595 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 6174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1446 IncrementalHoareTripleChecker+Valid, 4728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-04-02 09:42:07,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3595 Valid, 960 Invalid, 6174 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1446 Valid, 4728 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-04-02 09:42:07,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2023-04-02 09:42:07,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1602. [2023-04-02 09:42:07,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1602 states, 1144 states have (on average 1.3854895104895104) internal successors, (1585), 1164 states have internal predecessors, (1585), 339 states have call successors, (339), 121 states have call predecessors, (339), 118 states have return successors, (332), 327 states have call predecessors, (332), 332 states have call successors, (332) [2023-04-02 09:42:07,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 2256 transitions. [2023-04-02 09:42:07,745 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 2256 transitions. Word has length 237 [2023-04-02 09:42:07,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:42:07,746 INFO L495 AbstractCegarLoop]: Abstraction has 1602 states and 2256 transitions. [2023-04-02 09:42:07,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 09:42:07,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2256 transitions. [2023-04-02 09:42:07,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-04-02 09:42:07,756 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:42:07,756 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:07,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 09:42:07,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:42:07,757 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:42:07,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1626616901, now seen corresponding path program 1 times [2023-04-02 09:42:07,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:42:07,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807414815] [2023-04-02 09:42:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:42:07,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:42:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:42:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:42:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:42:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:42:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:42:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:42:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:42:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:42:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:42:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:42:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:42:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:42:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:42:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:42:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:42:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:42:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:42:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-04-02 09:42:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:42:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-04-02 09:42:08,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:42:08,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807414815] [2023-04-02 09:42:08,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807414815] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:42:08,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:42:08,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 09:42:08,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519306384] [2023-04-02 09:42:08,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:42:08,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 09:42:08,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:42:08,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 09:42:08,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 09:42:08,470 INFO L87 Difference]: Start difference. First operand 1602 states and 2256 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 09:42:12,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:42:23,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:42:23,915 INFO L93 Difference]: Finished difference Result 4883 states and 6912 transitions. [2023-04-02 09:42:23,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 09:42:23,916 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 237 [2023-04-02 09:42:23,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:42:23,928 INFO L225 Difference]: With dead ends: 4883 [2023-04-02 09:42:23,928 INFO L226 Difference]: Without dead ends: 3330 [2023-04-02 09:42:23,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2023-04-02 09:42:23,933 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 11257 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 5823 mSolverCounterSat, 4829 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11451 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 10653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4829 IncrementalHoareTripleChecker+Valid, 5823 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-04-02 09:42:23,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11451 Valid, 917 Invalid, 10653 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4829 Valid, 5823 Invalid, 1 Unknown, 0 Unchecked, 14.3s Time] [2023-04-02 09:42:23,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2023-04-02 09:42:24,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 3106. [2023-04-02 09:42:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3106 states, 2237 states have (on average 1.391148860080465) internal successors, (3112), 2271 states have internal predecessors, (3112), 643 states have call successors, (643), 228 states have call predecessors, (643), 225 states have return successors, (636), 626 states have call predecessors, (636), 636 states have call successors, (636) [2023-04-02 09:42:24,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 4391 transitions. [2023-04-02 09:42:24,339 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 4391 transitions. Word has length 237 [2023-04-02 09:42:24,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:42:24,340 INFO L495 AbstractCegarLoop]: Abstraction has 3106 states and 4391 transitions. [2023-04-02 09:42:24,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-04-02 09:42:24,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 4391 transitions. [2023-04-02 09:42:24,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-04-02 09:42:24,343 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:42:24,343 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:24,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 09:42:24,343 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:42:24,344 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:42:24,344 INFO L85 PathProgramCache]: Analyzing trace with hash -2051824728, now seen corresponding path program 1 times [2023-04-02 09:42:24,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:42:24,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056858305] [2023-04-02 09:42:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:42:24,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:42:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:42:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:42:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:42:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:42:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:42:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:42:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:42:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:42:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:42:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:42:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:42:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:42:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:42:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:42:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:42:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:42:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:42:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:42:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-04-02 09:42:24,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:42:24,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056858305] [2023-04-02 09:42:24,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056858305] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:42:24,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:42:24,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 09:42:24,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704645112] [2023-04-02 09:42:24,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:42:24,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 09:42:24,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:42:24,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 09:42:24,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 09:42:24,943 INFO L87 Difference]: Start difference. First operand 3106 states and 4391 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 09:42:28,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:42:34,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:42:34,982 INFO L93 Difference]: Finished difference Result 3329 states and 4716 transitions. [2023-04-02 09:42:34,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 09:42:34,983 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 247 [2023-04-02 09:42:34,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:42:34,999 INFO L225 Difference]: With dead ends: 3329 [2023-04-02 09:42:34,999 INFO L226 Difference]: Without dead ends: 3326 [2023-04-02 09:42:35,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2023-04-02 09:42:35,005 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 6473 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 4513 mSolverCounterSat, 2928 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6522 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 7441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2928 IncrementalHoareTripleChecker+Valid, 4513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-04-02 09:42:35,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6522 Valid, 875 Invalid, 7441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2928 Valid, 4513 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-04-02 09:42:35,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3326 states. [2023-04-02 09:42:35,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3326 to 3105. [2023-04-02 09:42:35,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3105 states, 2237 states have (on average 1.3907018328118015) internal successors, (3111), 2270 states have internal predecessors, (3111), 642 states have call successors, (642), 228 states have call predecessors, (642), 225 states have return successors, (636), 626 states have call predecessors, (636), 636 states have call successors, (636) [2023-04-02 09:42:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 4389 transitions. [2023-04-02 09:42:35,463 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 4389 transitions. Word has length 247 [2023-04-02 09:42:35,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:42:35,464 INFO L495 AbstractCegarLoop]: Abstraction has 3105 states and 4389 transitions. [2023-04-02 09:42:35,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 09:42:35,464 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 4389 transitions. [2023-04-02 09:42:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-04-02 09:42:35,466 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:42:35,467 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:35,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 09:42:35,467 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:42:35,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:42:35,467 INFO L85 PathProgramCache]: Analyzing trace with hash 817271320, now seen corresponding path program 1 times [2023-04-02 09:42:35,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:42:35,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153879290] [2023-04-02 09:42:35,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:42:35,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:42:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:42:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:42:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:42:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:42:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:42:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:42:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:42:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:42:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:42:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:42:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:42:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:42:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:42:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:42:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:42:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:42:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:42:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:42:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-04-02 09:42:35,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:42:35,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153879290] [2023-04-02 09:42:35,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153879290] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:42:35,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:42:35,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 09:42:35,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895688375] [2023-04-02 09:42:35,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:42:35,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 09:42:35,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:42:35,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 09:42:35,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 09:42:35,970 INFO L87 Difference]: Start difference. First operand 3105 states and 4389 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 09:42:43,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:42:43,514 INFO L93 Difference]: Finished difference Result 3328 states and 4714 transitions. [2023-04-02 09:42:43,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 09:42:43,514 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 248 [2023-04-02 09:42:43,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:42:43,525 INFO L225 Difference]: With dead ends: 3328 [2023-04-02 09:42:43,525 INFO L226 Difference]: Without dead ends: 3325 [2023-04-02 09:42:43,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2023-04-02 09:42:43,526 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 7410 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 2974 mSolverCounterSat, 3425 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7459 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 6399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3425 IncrementalHoareTripleChecker+Valid, 2974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-04-02 09:42:43,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7459 Valid, 560 Invalid, 6399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3425 Valid, 2974 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-04-02 09:42:43,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-04-02 09:42:43,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3104. [2023-04-02 09:42:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3104 states, 2237 states have (on average 1.390254805543138) internal successors, (3110), 2269 states have internal predecessors, (3110), 641 states have call successors, (641), 228 states have call predecessors, (641), 225 states have return successors, (636), 626 states have call predecessors, (636), 636 states have call successors, (636) [2023-04-02 09:42:43,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4387 transitions. [2023-04-02 09:42:43,921 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4387 transitions. Word has length 248 [2023-04-02 09:42:43,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:42:43,922 INFO L495 AbstractCegarLoop]: Abstraction has 3104 states and 4387 transitions. [2023-04-02 09:42:43,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 09:42:43,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4387 transitions. [2023-04-02 09:42:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-04-02 09:42:43,924 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:42:43,924 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:43,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 09:42:43,925 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:42:43,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:42:43,925 INFO L85 PathProgramCache]: Analyzing trace with hash -435059541, now seen corresponding path program 1 times [2023-04-02 09:42:43,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:42:43,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121688269] [2023-04-02 09:42:43,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:42:43,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:42:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:42:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:42:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:42:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:42:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:42:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:42:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:42:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:42:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:42:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:42:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:42:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:42:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:42:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:42:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:42:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:42:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:42:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:42:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:44,370 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-04-02 09:42:44,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:42:44,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121688269] [2023-04-02 09:42:44,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121688269] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:42:44,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:42:44,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 09:42:44,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052173236] [2023-04-02 09:42:44,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:42:44,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 09:42:44,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:42:44,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 09:42:44,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 09:42:44,372 INFO L87 Difference]: Start difference. First operand 3104 states and 4387 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 09:42:47,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:42:53,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:42:53,190 INFO L93 Difference]: Finished difference Result 3327 states and 4712 transitions. [2023-04-02 09:42:53,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 09:42:53,193 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 249 [2023-04-02 09:42:53,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:42:53,204 INFO L225 Difference]: With dead ends: 3327 [2023-04-02 09:42:53,204 INFO L226 Difference]: Without dead ends: 3324 [2023-04-02 09:42:53,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2023-04-02 09:42:53,206 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 7406 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 2967 mSolverCounterSat, 3418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7455 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 6385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3418 IncrementalHoareTripleChecker+Valid, 2967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-04-02 09:42:53,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7455 Valid, 560 Invalid, 6385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3418 Valid, 2967 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-04-02 09:42:53,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2023-04-02 09:42:53,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 3103. [2023-04-02 09:42:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3103 states, 2237 states have (on average 1.3898077782744747) internal successors, (3109), 2268 states have internal predecessors, (3109), 640 states have call successors, (640), 228 states have call predecessors, (640), 225 states have return successors, (636), 626 states have call predecessors, (636), 636 states have call successors, (636) [2023-04-02 09:42:53,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 4385 transitions. [2023-04-02 09:42:53,619 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 4385 transitions. Word has length 249 [2023-04-02 09:42:53,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:42:53,619 INFO L495 AbstractCegarLoop]: Abstraction has 3103 states and 4385 transitions. [2023-04-02 09:42:53,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 09:42:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 4385 transitions. [2023-04-02 09:42:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-04-02 09:42:53,622 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:42:53,622 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:42:53,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 09:42:53,623 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:42:53,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:42:53,623 INFO L85 PathProgramCache]: Analyzing trace with hash -602605701, now seen corresponding path program 1 times [2023-04-02 09:42:53,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:42:53,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542835374] [2023-04-02 09:42:53,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:42:53,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:42:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:42:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:42:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:42:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:42:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:53,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:42:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:42:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:42:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:42:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:42:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:42:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:42:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:42:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:42:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:42:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:42:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:42:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:42:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:42:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:42:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:42:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:42:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-04-02 09:42:54,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:42:54,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542835374] [2023-04-02 09:42:54,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542835374] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:42:54,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:42:54,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 09:42:54,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082260111] [2023-04-02 09:42:54,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:42:54,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 09:42:54,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:42:54,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 09:42:54,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 09:42:54,142 INFO L87 Difference]: Start difference. First operand 3103 states and 4385 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 09:43:09,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:43:09,616 INFO L93 Difference]: Finished difference Result 6528 states and 9274 transitions. [2023-04-02 09:43:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-04-02 09:43:09,617 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 250 [2023-04-02 09:43:09,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:43:09,644 INFO L225 Difference]: With dead ends: 6528 [2023-04-02 09:43:09,645 INFO L226 Difference]: Without dead ends: 6511 [2023-04-02 09:43:09,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-04-02 09:43:09,648 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 8294 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 6761 mSolverCounterSat, 3567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8468 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 10328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3567 IncrementalHoareTripleChecker+Valid, 6761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2023-04-02 09:43:09,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8468 Valid, 1093 Invalid, 10328 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3567 Valid, 6761 Invalid, 0 Unknown, 0 Unchecked, 13.9s Time] [2023-04-02 09:43:09,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6511 states. [2023-04-02 09:43:10,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6511 to 6088. [2023-04-02 09:43:10,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6088 states, 4410 states have (on average 1.3934240362811792) internal successors, (6145), 4471 states have internal predecessors, (6145), 1245 states have call successors, (1245), 439 states have call predecessors, (1245), 432 states have return successors, (1245), 1215 states have call predecessors, (1245), 1241 states have call successors, (1245) [2023-04-02 09:43:10,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6088 states to 6088 states and 8635 transitions. [2023-04-02 09:43:10,487 INFO L78 Accepts]: Start accepts. Automaton has 6088 states and 8635 transitions. Word has length 250 [2023-04-02 09:43:10,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:43:10,488 INFO L495 AbstractCegarLoop]: Abstraction has 6088 states and 8635 transitions. [2023-04-02 09:43:10,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 09:43:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 6088 states and 8635 transitions. [2023-04-02 09:43:10,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2023-04-02 09:43:10,504 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:43:10,504 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 09:43:10,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 09:43:10,504 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:43:10,504 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:43:10,504 INFO L85 PathProgramCache]: Analyzing trace with hash 688925855, now seen corresponding path program 1 times [2023-04-02 09:43:10,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:43:10,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866810231] [2023-04-02 09:43:10,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:43:10,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:43:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:43:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:43:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:43:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:43:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:43:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:43:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:43:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:43:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:43:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:43:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:43:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:43:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:43:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:43:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:43:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:43:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:43:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:10,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:43:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:43:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 09:43:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 09:43:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 09:43:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:43:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 09:43:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 09:43:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 09:43:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 09:43:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 09:43:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 09:43:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 09:43:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 09:43:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 09:43:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 09:43:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 09:43:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 09:43:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 09:43:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:43:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2023-04-02 09:43:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2023-04-02 09:43:11,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:43:11,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866810231] [2023-04-02 09:43:11,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866810231] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:43:11,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:43:11,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 09:43:11,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409730940] [2023-04-02 09:43:11,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:43:11,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 09:43:11,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:43:11,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 09:43:11,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 09:43:11,154 INFO L87 Difference]: Start difference. First operand 6088 states and 8635 transitions. Second operand has 12 states, 12 states have (on average 13.916666666666666) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (53), 11 states have call predecessors, (53), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-04-02 09:43:22,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:43:22,912 INFO L93 Difference]: Finished difference Result 12993 states and 18453 transitions. [2023-04-02 09:43:22,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-04-02 09:43:22,913 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.916666666666666) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (53), 11 states have call predecessors, (53), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 423 [2023-04-02 09:43:22,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:43:22,937 INFO L225 Difference]: With dead ends: 12993 [2023-04-02 09:43:22,937 INFO L226 Difference]: Without dead ends: 6954 [2023-04-02 09:43:22,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2023-04-02 09:43:22,953 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 6094 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 7021 mSolverCounterSat, 3074 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6201 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 10095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3074 IncrementalHoareTripleChecker+Valid, 7021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-04-02 09:43:22,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6201 Valid, 1218 Invalid, 10095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3074 Valid, 7021 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2023-04-02 09:43:22,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6954 states. [2023-04-02 09:43:23,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6954 to 6320. [2023-04-02 09:43:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6320 states, 4588 states have (on average 1.3923278116826503) internal successors, (6388), 4653 states have internal predecessors, (6388), 1277 states have call successors, (1277), 461 states have call predecessors, (1277), 454 states have return successors, (1277), 1247 states have call predecessors, (1277), 1273 states have call successors, (1277) [2023-04-02 09:43:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6320 states to 6320 states and 8942 transitions. [2023-04-02 09:43:23,769 INFO L78 Accepts]: Start accepts. Automaton has 6320 states and 8942 transitions. Word has length 423 [2023-04-02 09:43:23,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:43:23,770 INFO L495 AbstractCegarLoop]: Abstraction has 6320 states and 8942 transitions. [2023-04-02 09:43:23,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.916666666666666) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (53), 11 states have call predecessors, (53), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-04-02 09:43:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 6320 states and 8942 transitions. [2023-04-02 09:43:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2023-04-02 09:43:23,785 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:43:23,786 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:23,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 09:43:23,786 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:43:23,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:43:23,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1752610130, now seen corresponding path program 1 times [2023-04-02 09:43:23,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:43:23,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709523270] [2023-04-02 09:43:23,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:43:23,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:43:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:43:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:43:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:43:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:43:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:43:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:43:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:43:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:43:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:43:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:43:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:43:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:43:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:43:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:43:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:43:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:43:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:43:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:43:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 09:43:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 09:43:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:43:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 09:43:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 09:43:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 09:43:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:43:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 09:43:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 09:43:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 09:43:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 09:43:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 09:43:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 09:43:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 09:43:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 09:43:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 09:43:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 09:43:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 09:43:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 09:43:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 09:43:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:43:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2023-04-02 09:43:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:43:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-04-02 09:43:24,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:43:24,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709523270] [2023-04-02 09:43:24,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709523270] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:43:24,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:43:24,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 09:43:24,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307512479] [2023-04-02 09:43:24,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:43:24,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 09:43:24,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:43:24,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 09:43:24,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-04-02 09:43:24,513 INFO L87 Difference]: Start difference. First operand 6320 states and 8942 transitions. Second operand has 13 states, 13 states have (on average 13.692307692307692) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (57), 12 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-02 09:43:28,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:43:38,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:43:38,207 INFO L93 Difference]: Finished difference Result 13195 states and 18740 transitions. [2023-04-02 09:43:38,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 09:43:38,208 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.692307692307692) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (57), 12 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 457 [2023-04-02 09:43:38,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:43:38,228 INFO L225 Difference]: With dead ends: 13195 [2023-04-02 09:43:38,228 INFO L226 Difference]: Without dead ends: 6942 [2023-04-02 09:43:38,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2023-04-02 09:43:38,245 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 3962 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 7466 mSolverCounterSat, 1856 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4080 SdHoareTripleChecker+Valid, 1441 SdHoareTripleChecker+Invalid, 9323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1856 IncrementalHoareTripleChecker+Valid, 7466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2023-04-02 09:43:38,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4080 Valid, 1441 Invalid, 9323 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1856 Valid, 7466 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2023-04-02 09:43:38,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6942 states. [2023-04-02 09:43:39,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6942 to 6324. [2023-04-02 09:43:39,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6324 states, 4592 states have (on average 1.39198606271777) internal successors, (6392), 4657 states have internal predecessors, (6392), 1277 states have call successors, (1277), 461 states have call predecessors, (1277), 454 states have return successors, (1277), 1247 states have call predecessors, (1277), 1273 states have call successors, (1277) [2023-04-02 09:43:39,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6324 states to 6324 states and 8946 transitions. [2023-04-02 09:43:39,084 INFO L78 Accepts]: Start accepts. Automaton has 6324 states and 8946 transitions. Word has length 457 [2023-04-02 09:43:39,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:43:39,084 INFO L495 AbstractCegarLoop]: Abstraction has 6324 states and 8946 transitions. [2023-04-02 09:43:39,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.692307692307692) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (57), 12 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-02 09:43:39,084 INFO L276 IsEmpty]: Start isEmpty. Operand 6324 states and 8946 transitions. [2023-04-02 09:43:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2023-04-02 09:43:39,100 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:43:39,100 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:39,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 09:43:39,100 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:43:39,101 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:43:39,101 INFO L85 PathProgramCache]: Analyzing trace with hash 772885552, now seen corresponding path program 1 times [2023-04-02 09:43:39,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:43:39,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517683231] [2023-04-02 09:43:39,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:43:39,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:43:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:43:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:43:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:43:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:43:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:43:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:43:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:43:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:43:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:43:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:43:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:43:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:43:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:43:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:43:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:43:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:43:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:43:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:43:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 09:43:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 09:43:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:43:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 09:43:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 09:43:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 09:43:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:43:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 09:43:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 09:43:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 09:43:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 09:43:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 09:43:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 09:43:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 09:43:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 09:43:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 09:43:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 09:43:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 09:43:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 09:43:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 09:43:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:43:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2023-04-02 09:43:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:43:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-04-02 09:43:39,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:43:39,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517683231] [2023-04-02 09:43:39,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517683231] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:43:39,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:43:39,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 09:43:39,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24726212] [2023-04-02 09:43:39,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:43:39,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 09:43:39,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:43:39,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 09:43:39,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-04-02 09:43:39,775 INFO L87 Difference]: Start difference. First operand 6324 states and 8946 transitions. Second operand has 13 states, 13 states have (on average 13.692307692307692) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (57), 12 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-02 09:43:43,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:43:45,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:43:54,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:43:54,594 INFO L93 Difference]: Finished difference Result 13479 states and 19192 transitions. [2023-04-02 09:43:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-02 09:43:54,594 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 13.692307692307692) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (57), 12 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 457 [2023-04-02 09:43:54,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:43:54,653 INFO L225 Difference]: With dead ends: 13479 [2023-04-02 09:43:54,653 INFO L226 Difference]: Without dead ends: 7222 [2023-04-02 09:43:54,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=135, Invalid=327, Unknown=0, NotChecked=0, Total=462 [2023-04-02 09:43:54,668 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 8365 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 6915 mSolverCounterSat, 4315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8486 SdHoareTripleChecker+Valid, 1286 SdHoareTripleChecker+Invalid, 11230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4315 IncrementalHoareTripleChecker+Valid, 6915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-04-02 09:43:54,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8486 Valid, 1286 Invalid, 11230 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4315 Valid, 6915 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2023-04-02 09:43:54,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7222 states. [2023-04-02 09:43:55,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7222 to 6452. [2023-04-02 09:43:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6452 states, 4688 states have (on average 1.3933447098976108) internal successors, (6532), 4753 states have internal predecessors, (6532), 1309 states have call successors, (1309), 461 states have call predecessors, (1309), 454 states have return successors, (1309), 1279 states have call predecessors, (1309), 1305 states have call successors, (1309) [2023-04-02 09:43:55,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6452 states to 6452 states and 9150 transitions. [2023-04-02 09:43:55,579 INFO L78 Accepts]: Start accepts. Automaton has 6452 states and 9150 transitions. Word has length 457 [2023-04-02 09:43:55,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:43:55,580 INFO L495 AbstractCegarLoop]: Abstraction has 6452 states and 9150 transitions. [2023-04-02 09:43:55,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.692307692307692) internal successors, (178), 3 states have internal predecessors, (178), 2 states have call successors, (57), 12 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-02 09:43:55,580 INFO L276 IsEmpty]: Start isEmpty. Operand 6452 states and 9150 transitions. [2023-04-02 09:43:55,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2023-04-02 09:43:55,593 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:43:55,593 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:43:55,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 09:43:55,594 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:43:55,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:43:55,594 INFO L85 PathProgramCache]: Analyzing trace with hash 948697157, now seen corresponding path program 1 times [2023-04-02 09:43:55,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:43:55,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024107823] [2023-04-02 09:43:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:43:55,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:43:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:43:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:55,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:43:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:43:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:43:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:43:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:43:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:43:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:43:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:43:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:43:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:43:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:43:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:43:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:43:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:43:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:43:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:43:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:43:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 09:43:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:43:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 09:43:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:43:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 09:43:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 09:43:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 09:43:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:43:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 09:43:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 09:43:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 09:43:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 09:43:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 09:43:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 09:43:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 09:43:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 09:43:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 09:43:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:43:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 09:43:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 09:43:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 09:43:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 09:43:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:43:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2023-04-02 09:43:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:43:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:43:56,363 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-04-02 09:43:56,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:43:56,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024107823] [2023-04-02 09:43:56,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024107823] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:43:56,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:43:56,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 09:43:56,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606764160] [2023-04-02 09:43:56,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:43:56,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 09:43:56,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:43:56,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 09:43:56,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-04-02 09:43:56,364 INFO L87 Difference]: Start difference. First operand 6452 states and 9150 transitions. Second operand has 14 states, 14 states have (on average 12.857142857142858) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (57), 12 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-02 09:44:07,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:44:07,919 INFO L93 Difference]: Finished difference Result 14135 states and 20260 transitions. [2023-04-02 09:44:07,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-04-02 09:44:07,920 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.857142857142858) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (57), 12 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 459 [2023-04-02 09:44:07,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:44:07,941 INFO L225 Difference]: With dead ends: 14135 [2023-04-02 09:44:07,941 INFO L226 Difference]: Without dead ends: 7750 [2023-04-02 09:44:07,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=206, Invalid=550, Unknown=0, NotChecked=0, Total=756 [2023-04-02 09:44:07,957 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 7737 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 7848 mSolverCounterSat, 4141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7857 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 11989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4141 IncrementalHoareTripleChecker+Valid, 7848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-04-02 09:44:07,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7857 Valid, 1352 Invalid, 11989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4141 Valid, 7848 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-04-02 09:44:07,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7750 states. [2023-04-02 09:44:08,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7750 to 6716. [2023-04-02 09:44:08,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6716 states, 4888 states have (on average 1.3960720130932898) internal successors, (6824), 4953 states have internal predecessors, (6824), 1373 states have call successors, (1373), 461 states have call predecessors, (1373), 454 states have return successors, (1373), 1343 states have call predecessors, (1373), 1369 states have call successors, (1373) [2023-04-02 09:44:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6716 states to 6716 states and 9570 transitions. [2023-04-02 09:44:08,963 INFO L78 Accepts]: Start accepts. Automaton has 6716 states and 9570 transitions. Word has length 459 [2023-04-02 09:44:08,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:44:08,963 INFO L495 AbstractCegarLoop]: Abstraction has 6716 states and 9570 transitions. [2023-04-02 09:44:08,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.857142857142858) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (57), 12 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-02 09:44:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 6716 states and 9570 transitions. [2023-04-02 09:44:08,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2023-04-02 09:44:08,977 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:44:08,977 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:08,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 09:44:08,977 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:44:08,978 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:44:08,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1067138631, now seen corresponding path program 1 times [2023-04-02 09:44:08,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:44:08,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000496233] [2023-04-02 09:44:08,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:44:08,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:44:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:44:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:44:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:44:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:44:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:44:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:44:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:44:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:44:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:44:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:44:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:44:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:44:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:44:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:44:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:44:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:44:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:44:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:44:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 09:44:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 09:44:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:44:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 09:44:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 09:44:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 09:44:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:44:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 09:44:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 09:44:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 09:44:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 09:44:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 09:44:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 09:44:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 09:44:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 09:44:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 09:44:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 09:44:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 09:44:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 09:44:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 09:44:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:44:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2023-04-02 09:44:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:44:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-04-02 09:44:09,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:44:09,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000496233] [2023-04-02 09:44:09,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000496233] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 09:44:09,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815309825] [2023-04-02 09:44:09,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:44:09,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 09:44:09,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 09:44:09,819 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 09:44:09,858 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 09:44:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:10,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 4277 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-02 09:44:10,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 09:44:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-04-02 09:44:10,872 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 09:44:10,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815309825] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:44:10,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 09:44:10,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2023-04-02 09:44:10,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106732893] [2023-04-02 09:44:10,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:44:10,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 09:44:10,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:44:10,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 09:44:10,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-04-02 09:44:10,875 INFO L87 Difference]: Start difference. First operand 6716 states and 9570 transitions. Second operand has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-02 09:44:12,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:44:12,002 INFO L93 Difference]: Finished difference Result 13405 states and 19119 transitions. [2023-04-02 09:44:12,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 09:44:12,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) Word has length 459 [2023-04-02 09:44:12,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:44:12,021 INFO L225 Difference]: With dead ends: 13405 [2023-04-02 09:44:12,021 INFO L226 Difference]: Without dead ends: 6756 [2023-04-02 09:44:12,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 603 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-04-02 09:44:12,036 INFO L413 NwaCegarLoop]: 2251 mSDtfsCounter, 3 mSDsluCounter, 6711 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8962 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 09:44:12,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8962 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 09:44:12,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2023-04-02 09:44:13,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 6732. [2023-04-02 09:44:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6732 states, 4900 states have (on average 1.3951020408163266) internal successors, (6836), 4965 states have internal predecessors, (6836), 1373 states have call successors, (1373), 461 states have call predecessors, (1373), 458 states have return successors, (1377), 1347 states have call predecessors, (1377), 1369 states have call successors, (1377) [2023-04-02 09:44:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6732 states to 6732 states and 9586 transitions. [2023-04-02 09:44:13,024 INFO L78 Accepts]: Start accepts. Automaton has 6732 states and 9586 transitions. Word has length 459 [2023-04-02 09:44:13,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:44:13,025 INFO L495 AbstractCegarLoop]: Abstraction has 6732 states and 9586 transitions. [2023-04-02 09:44:13,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (54), 3 states have call predecessors, (54), 2 states have call successors, (54) [2023-04-02 09:44:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 6732 states and 9586 transitions. [2023-04-02 09:44:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2023-04-02 09:44:13,037 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:44:13,037 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:13,062 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 09:44:13,250 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,SelfDestructingSolverStorable10 [2023-04-02 09:44:13,250 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:44:13,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:44:13,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1167995253, now seen corresponding path program 1 times [2023-04-02 09:44:13,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:44:13,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227029801] [2023-04-02 09:44:13,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:44:13,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:44:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:44:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:44:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:44:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:44:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:44:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:44:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:44:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:44:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:44:13,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:44:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:44:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:44:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:44:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:44:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:44:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:44:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:44:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:44:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 09:44:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 09:44:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:44:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 09:44:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 09:44:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 09:44:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:44:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 09:44:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 09:44:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 09:44:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 09:44:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 09:44:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 09:44:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 09:44:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 09:44:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:44:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 09:44:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 09:44:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 09:44:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 09:44:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 09:44:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 09:44:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:44:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2023-04-02 09:44:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:14,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:44:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-04-02 09:44:14,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:44:14,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227029801] [2023-04-02 09:44:14,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227029801] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:44:14,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:44:14,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 09:44:14,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342555076] [2023-04-02 09:44:14,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:44:14,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 09:44:14,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:44:14,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 09:44:14,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-04-02 09:44:14,011 INFO L87 Difference]: Start difference. First operand 6732 states and 9586 transitions. Second operand has 13 states, 13 states have (on average 15.615384615384615) internal successors, (203), 3 states have internal predecessors, (203), 2 states have call successors, (59), 12 states have call predecessors, (59), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-04-02 09:44:24,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:44:24,448 INFO L93 Difference]: Finished difference Result 14403 states and 20656 transitions. [2023-04-02 09:44:24,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 09:44:24,449 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 15.615384615384615) internal successors, (203), 3 states have internal predecessors, (203), 2 states have call successors, (59), 12 states have call predecessors, (59), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 486 [2023-04-02 09:44:24,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:44:24,467 INFO L225 Difference]: With dead ends: 14403 [2023-04-02 09:44:24,467 INFO L226 Difference]: Without dead ends: 7738 [2023-04-02 09:44:24,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2023-04-02 09:44:24,479 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 7910 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 5575 mSolverCounterSat, 3806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8028 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 9381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3806 IncrementalHoareTripleChecker+Valid, 5575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-04-02 09:44:24,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8028 Valid, 1131 Invalid, 9381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3806 Valid, 5575 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-04-02 09:44:24,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7738 states. [2023-04-02 09:44:25,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7738 to 6736. [2023-04-02 09:44:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6736 states, 4904 states have (on average 1.394779771615008) internal successors, (6840), 4969 states have internal predecessors, (6840), 1373 states have call successors, (1373), 461 states have call predecessors, (1373), 458 states have return successors, (1377), 1347 states have call predecessors, (1377), 1369 states have call successors, (1377) [2023-04-02 09:44:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6736 states to 6736 states and 9590 transitions. [2023-04-02 09:44:25,554 INFO L78 Accepts]: Start accepts. Automaton has 6736 states and 9590 transitions. Word has length 486 [2023-04-02 09:44:25,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:44:25,554 INFO L495 AbstractCegarLoop]: Abstraction has 6736 states and 9590 transitions. [2023-04-02 09:44:25,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.615384615384615) internal successors, (203), 3 states have internal predecessors, (203), 2 states have call successors, (59), 12 states have call predecessors, (59), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-04-02 09:44:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 6736 states and 9590 transitions. [2023-04-02 09:44:25,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2023-04-02 09:44:25,565 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:44:25,566 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:25,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 09:44:25,566 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:44:25,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:44:25,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1404969357, now seen corresponding path program 1 times [2023-04-02 09:44:25,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:44:25,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472883785] [2023-04-02 09:44:25,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:44:25,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:44:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:44:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:44:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:44:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:44:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:44:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:44:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:44:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:44:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:44:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:44:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:44:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:44:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:44:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:44:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:44:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:44:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:44:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:44:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 09:44:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 09:44:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:44:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 09:44:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 09:44:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 09:44:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:44:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 09:44:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 09:44:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 09:44:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-04-02 09:44:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 09:44:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 09:44:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 09:44:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 09:44:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:44:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 09:44:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 09:44:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 09:44:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 09:44:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 09:44:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 09:44:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:44:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2023-04-02 09:44:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:44:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-04-02 09:44:26,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:44:26,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472883785] [2023-04-02 09:44:26,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472883785] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 09:44:26,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53330370] [2023-04-02 09:44:26,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:44:26,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 09:44:26,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 09:44:26,435 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 09:44:26,436 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 09:44:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:27,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 4467 conjuncts, 4 conjunts are in the unsatisfiable core [2023-04-02 09:44:27,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 09:44:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-04-02 09:44:27,445 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 09:44:27,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53330370] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:44:27,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 09:44:27,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2023-04-02 09:44:27,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047302034] [2023-04-02 09:44:27,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:44:27,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-02 09:44:27,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:44:27,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-02 09:44:27,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-04-02 09:44:27,447 INFO L87 Difference]: Start difference. First operand 6736 states and 9590 transitions. Second operand has 5 states, 5 states have (on average 40.6) internal successors, (203), 4 states have internal predecessors, (203), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) [2023-04-02 09:44:28,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:44:28,416 INFO L93 Difference]: Finished difference Result 13429 states and 19143 transitions. [2023-04-02 09:44:28,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-02 09:44:28,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.6) internal successors, (203), 4 states have internal predecessors, (203), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) Word has length 486 [2023-04-02 09:44:28,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:44:28,432 INFO L225 Difference]: With dead ends: 13429 [2023-04-02 09:44:28,433 INFO L226 Difference]: Without dead ends: 6760 [2023-04-02 09:44:28,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 634 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-04-02 09:44:28,447 INFO L413 NwaCegarLoop]: 2250 mSDtfsCounter, 2 mSDsluCounter, 6741 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8991 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 09:44:28,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8991 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 09:44:28,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6760 states. [2023-04-02 09:44:29,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6760 to 6752. [2023-04-02 09:44:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6752 states, 4916 states have (on average 1.3938161106590725) internal successors, (6852), 4981 states have internal predecessors, (6852), 1373 states have call successors, (1373), 461 states have call predecessors, (1373), 462 states have return successors, (1381), 1351 states have call predecessors, (1381), 1369 states have call successors, (1381) [2023-04-02 09:44:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6752 states to 6752 states and 9606 transitions. [2023-04-02 09:44:29,467 INFO L78 Accepts]: Start accepts. Automaton has 6752 states and 9606 transitions. Word has length 486 [2023-04-02 09:44:29,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:44:29,468 INFO L495 AbstractCegarLoop]: Abstraction has 6752 states and 9606 transitions. [2023-04-02 09:44:29,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.6) internal successors, (203), 4 states have internal predecessors, (203), 2 states have call successors, (59), 2 states have call predecessors, (59), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) [2023-04-02 09:44:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 6752 states and 9606 transitions. [2023-04-02 09:44:29,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2023-04-02 09:44:29,479 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:44:29,479 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:29,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 09:44:29,692 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,SelfDestructingSolverStorable12 [2023-04-02 09:44:29,692 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:44:29,693 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:44:29,693 INFO L85 PathProgramCache]: Analyzing trace with hash -890069462, now seen corresponding path program 1 times [2023-04-02 09:44:29,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:44:29,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939795597] [2023-04-02 09:44:29,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:44:29,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:44:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:44:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:44:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:44:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:44:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:44:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:44:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:44:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:44:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:44:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:44:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:44:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:44:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:44:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:44:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:44:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:44:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:44:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:44:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 09:44:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 09:44:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:44:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 09:44:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 09:44:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 09:44:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:44:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 09:44:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 09:44:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 09:44:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:44:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 09:44:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 09:44:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 09:44:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 09:44:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 09:44:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 09:44:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 09:44:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 09:44:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 09:44:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 09:44:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 09:44:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 09:44:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:44:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2023-04-02 09:44:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:44:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2023-04-02 09:44:30,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:44:30,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939795597] [2023-04-02 09:44:30,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939795597] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 09:44:30,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401618035] [2023-04-02 09:44:30,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:44:30,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 09:44:30,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 09:44:30,584 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 09:44:30,586 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 09:44:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:31,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 4481 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 09:44:31,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 09:44:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2023-04-02 09:44:31,941 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 09:44:31,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401618035] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:44:31,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 09:44:31,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 15 [2023-04-02 09:44:31,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510453293] [2023-04-02 09:44:31,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:44:31,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-02 09:44:31,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:44:31,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-02 09:44:31,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-04-02 09:44:31,943 INFO L87 Difference]: Start difference. First operand 6752 states and 9606 transitions. Second operand has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2023-04-02 09:44:35,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:44:35,531 INFO L93 Difference]: Finished difference Result 20122 states and 28655 transitions. [2023-04-02 09:44:35,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-02 09:44:35,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 492 [2023-04-02 09:44:35,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:44:35,610 INFO L225 Difference]: With dead ends: 20122 [2023-04-02 09:44:35,610 INFO L226 Difference]: Without dead ends: 20106 [2023-04-02 09:44:35,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-04-02 09:44:35,617 INFO L413 NwaCegarLoop]: 4415 mSDtfsCounter, 4178 mSDsluCounter, 3745 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4178 SdHoareTripleChecker+Valid, 8160 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-02 09:44:35,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4178 Valid, 8160 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-02 09:44:35,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20106 states. [2023-04-02 09:44:38,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20106 to 20072. [2023-04-02 09:44:38,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20072 states, 14640 states have (on average 1.396448087431694) internal successors, (20444), 14849 states have internal predecessors, (20444), 4065 states have call successors, (4065), 1357 states have call predecessors, (4065), 1366 states have return successors, (4097), 3991 states have call predecessors, (4097), 4061 states have call successors, (4097) [2023-04-02 09:44:38,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20072 states to 20072 states and 28606 transitions. [2023-04-02 09:44:38,649 INFO L78 Accepts]: Start accepts. Automaton has 20072 states and 28606 transitions. Word has length 492 [2023-04-02 09:44:38,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:44:38,650 INFO L495 AbstractCegarLoop]: Abstraction has 20072 states and 28606 transitions. [2023-04-02 09:44:38,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 4 states have internal predecessors, (214), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2023-04-02 09:44:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 20072 states and 28606 transitions. [2023-04-02 09:44:38,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2023-04-02 09:44:38,676 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:44:38,676 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:38,690 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 09:44:38,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 09:44:38,885 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:44:38,885 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:44:38,886 INFO L85 PathProgramCache]: Analyzing trace with hash -671214744, now seen corresponding path program 1 times [2023-04-02 09:44:38,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:44:38,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009000327] [2023-04-02 09:44:38,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:44:38,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:44:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:44:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:44:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:44:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:44:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:44:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:44:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:44:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:44:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:44:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:44:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:44:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:44:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:44:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:44:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:44:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:44:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:44:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:44:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 09:44:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 09:44:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:44:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 09:44:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 09:44:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-04-02 09:44:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:44:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 09:44:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-04-02 09:44:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 09:44:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:44:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 09:44:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 09:44:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 09:44:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 09:44:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 09:44:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 09:44:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 09:44:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 09:44:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 09:44:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 09:44:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 09:44:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 09:44:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:44:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2023-04-02 09:44:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:44:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2023-04-02 09:44:39,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:44:39,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009000327] [2023-04-02 09:44:39,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009000327] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:44:39,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:44:39,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 09:44:39,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705098249] [2023-04-02 09:44:39,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:44:39,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 09:44:39,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:44:39,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 09:44:39,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-04-02 09:44:39,875 INFO L87 Difference]: Start difference. First operand 20072 states and 28606 transitions. Second operand has 13 states, 13 states have (on average 15.76923076923077) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (60), 12 states have call predecessors, (60), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2023-04-02 09:44:53,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:44:53,695 INFO L93 Difference]: Finished difference Result 43131 states and 61860 transitions. [2023-04-02 09:44:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 09:44:53,695 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 15.76923076923077) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (60), 12 states have call predecessors, (60), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 492 [2023-04-02 09:44:53,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:44:53,840 INFO L225 Difference]: With dead ends: 43131 [2023-04-02 09:44:53,840 INFO L226 Difference]: Without dead ends: 23126 [2023-04-02 09:44:53,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2023-04-02 09:44:53,876 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 5783 mSDsluCounter, 1068 mSDsCounter, 0 mSdLazyCounter, 6535 mSolverCounterSat, 2934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5902 SdHoareTripleChecker+Valid, 1291 SdHoareTripleChecker+Invalid, 9469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2934 IncrementalHoareTripleChecker+Valid, 6535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-04-02 09:44:53,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5902 Valid, 1291 Invalid, 9469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2934 Valid, 6535 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-04-02 09:44:53,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23126 states. [2023-04-02 09:44:56,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23126 to 20084. [2023-04-02 09:44:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20084 states, 14652 states have (on average 1.396123396123396) internal successors, (20456), 14861 states have internal predecessors, (20456), 4065 states have call successors, (4065), 1357 states have call predecessors, (4065), 1366 states have return successors, (4097), 3991 states have call predecessors, (4097), 4061 states have call successors, (4097) [2023-04-02 09:44:56,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20084 states to 20084 states and 28618 transitions. [2023-04-02 09:44:56,970 INFO L78 Accepts]: Start accepts. Automaton has 20084 states and 28618 transitions. Word has length 492 [2023-04-02 09:44:56,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:44:56,971 INFO L495 AbstractCegarLoop]: Abstraction has 20084 states and 28618 transitions. [2023-04-02 09:44:56,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.76923076923077) internal successors, (205), 3 states have internal predecessors, (205), 2 states have call successors, (60), 12 states have call predecessors, (60), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2023-04-02 09:44:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 20084 states and 28618 transitions. [2023-04-02 09:44:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2023-04-02 09:44:56,997 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:44:56,997 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:56,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 09:44:56,998 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:44:56,998 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:44:56,998 INFO L85 PathProgramCache]: Analyzing trace with hash -75003735, now seen corresponding path program 1 times [2023-04-02 09:44:56,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:44:56,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810594445] [2023-04-02 09:44:56,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:44:56,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:44:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:44:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:44:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:44:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:44:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:44:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:44:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:44:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:44:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:44:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:44:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:44:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:44:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:44:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:44:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:44:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:44:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:44:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:44:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 09:44:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:44:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:44:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:44:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 09:44:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:45:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 09:45:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 09:45:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 09:45:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:45:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-04-02 09:45:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-04-02 09:45:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 09:45:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:45:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 09:45:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 09:45:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 09:45:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 09:45:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 09:45:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 09:45:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 09:45:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:45:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 09:45:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 09:45:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 09:45:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 09:45:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:45:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2023-04-02 09:45:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:45:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2023-04-02 09:45:00,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:45:00,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810594445] [2023-04-02 09:45:00,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810594445] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:45:00,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:45:00,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2023-04-02 09:45:00,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965690876] [2023-04-02 09:45:00,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:45:00,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-04-02 09:45:00,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:45:00,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-04-02 09:45:00,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2023-04-02 09:45:00,876 INFO L87 Difference]: Start difference. First operand 20084 states and 28618 transitions. Second operand has 26 states, 23 states have (on average 9.0) internal successors, (207), 11 states have internal predecessors, (207), 5 states have call successors, (60), 12 states have call predecessors, (60), 7 states have return successors, (57), 7 states have call predecessors, (57), 5 states have call successors, (57) [2023-04-02 09:45:06,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:45:07,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:45:11,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:45:14,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:45:16,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:45:40,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 09:45:40,856 INFO L93 Difference]: Finished difference Result 43215 states and 61944 transitions. [2023-04-02 09:45:40,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-04-02 09:45:40,856 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 23 states have (on average 9.0) internal successors, (207), 11 states have internal predecessors, (207), 5 states have call successors, (60), 12 states have call predecessors, (60), 7 states have return successors, (57), 7 states have call predecessors, (57), 5 states have call successors, (57) Word has length 494 [2023-04-02 09:45:40,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 09:45:40,916 INFO L225 Difference]: With dead ends: 43215 [2023-04-02 09:45:40,917 INFO L226 Difference]: Without dead ends: 23198 [2023-04-02 09:45:40,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=333, Invalid=1737, Unknown=0, NotChecked=0, Total=2070 [2023-04-02 09:45:40,951 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 7876 mSDsluCounter, 4096 mSDsCounter, 0 mSdLazyCounter, 34180 mSolverCounterSat, 3819 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7994 SdHoareTripleChecker+Valid, 4319 SdHoareTripleChecker+Invalid, 38000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3819 IncrementalHoareTripleChecker+Valid, 34180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.8s IncrementalHoareTripleChecker+Time [2023-04-02 09:45:40,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7994 Valid, 4319 Invalid, 38000 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3819 Valid, 34180 Invalid, 1 Unknown, 0 Unchecked, 33.8s Time] [2023-04-02 09:45:40,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23198 states. [2023-04-02 09:45:44,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23198 to 20156. [2023-04-02 09:45:44,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20156 states, 14700 states have (on average 1.394829931972789) internal successors, (20504), 14909 states have internal predecessors, (20504), 4077 states have call successors, (4077), 1357 states have call predecessors, (4077), 1378 states have return successors, (4121), 4015 states have call predecessors, (4121), 4073 states have call successors, (4121) [2023-04-02 09:45:44,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20156 states to 20156 states and 28702 transitions. [2023-04-02 09:45:44,078 INFO L78 Accepts]: Start accepts. Automaton has 20156 states and 28702 transitions. Word has length 494 [2023-04-02 09:45:44,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 09:45:44,079 INFO L495 AbstractCegarLoop]: Abstraction has 20156 states and 28702 transitions. [2023-04-02 09:45:44,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 23 states have (on average 9.0) internal successors, (207), 11 states have internal predecessors, (207), 5 states have call successors, (60), 12 states have call predecessors, (60), 7 states have return successors, (57), 7 states have call predecessors, (57), 5 states have call successors, (57) [2023-04-02 09:45:44,079 INFO L276 IsEmpty]: Start isEmpty. Operand 20156 states and 28702 transitions. [2023-04-02 09:45:44,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2023-04-02 09:45:44,101 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 09:45:44,102 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:45:44,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 09:45:44,102 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 09:45:44,102 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 09:45:44,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1404203126, now seen corresponding path program 1 times [2023-04-02 09:45:44,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 09:45:44,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101036389] [2023-04-02 09:45:44,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 09:45:44,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 09:45:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:45:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:45:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:45:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 09:45:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:45:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-04-02 09:45:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:45:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-04-02 09:45:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:45:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 09:45:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:45:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 09:45:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:45:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 09:45:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:45:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 09:45:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:45:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 09:45:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 09:45:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 09:45:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 09:45:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 09:45:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 09:45:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 09:45:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 09:45:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 09:45:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 09:45:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:45:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-04-02 09:45:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 09:45:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:45,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2023-04-02 09:45:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:45:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 09:45:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-04-02 09:45:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-04-02 09:45:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:45:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 09:45:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 09:45:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-04-02 09:45:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 09:45:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 09:45:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:45:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 09:45:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 09:45:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 09:45:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 09:45:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 09:45:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 09:45:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 09:45:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 09:45:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 09:45:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-04-02 09:45:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 09:45:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 09:45:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 09:45:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-04-02 09:45:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2023-04-02 09:45:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 09:45:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 09:45:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2023-04-02 09:45:46,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 09:45:46,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101036389] [2023-04-02 09:45:46,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101036389] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 09:45:46,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 09:45:46,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 09:45:46,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480259615] [2023-04-02 09:45:46,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 09:45:46,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 09:45:46,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 09:45:46,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 09:45:46,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-04-02 09:45:46,541 INFO L87 Difference]: Start difference. First operand 20156 states and 28702 transitions. Second operand has 15 states, 15 states have (on average 14.666666666666666) internal successors, (220), 4 states have internal predecessors, (220), 3 states have call successors, (63), 13 states have call predecessors, (63), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2023-04-02 09:45:50,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-02 09:45:52,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []