/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/systemc/transmitter.04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:26:19,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:26:19,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:26:19,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:26:19,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:26:19,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:26:19,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:26:19,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:26:19,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:26:19,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:26:19,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:26:19,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:26:19,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:26:19,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:26:19,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:26:19,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:26:19,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:26:19,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:26:19,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:26:19,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:26:19,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:26:19,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:26:19,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:26:19,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:26:19,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:26:19,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:26:19,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:26:19,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:26:19,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:26:19,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:26:19,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:26:19,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:26:19,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:26:19,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:26:19,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:26:19,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:26:19,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:26:19,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:26:19,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:26:19,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:26:19,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:26:19,384 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 [2023-03-31 01:26:19,409 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:26:19,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:26:19,409 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:26:19,409 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:26:19,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:26:19,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:26:19,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:26:19,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:26:19,410 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:26:19,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:26:19,410 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:26:19,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:26:19,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:26:19,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:26:19,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:26:19,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:26:19,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:26:19,411 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:26:19,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:26:19,411 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:26:19,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:26:19,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:26:19,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:26:19,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:26:19,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:26:19,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:26:19,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:26:19,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:26:19,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:26:19,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:26:19,412 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:26:19,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:26:19,412 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:26:19,412 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:26:19,412 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:26:19,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:26:19,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:26:19,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:26:19,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:26:19,573 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:26:19,573 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:26:19,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.04.cil.c [2023-03-31 01:26:20,434 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:26:20,606 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:26:20,606 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.04.cil.c [2023-03-31 01:26:20,614 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb3bbe099/09bfcd9b2dae4559827216a27ff9f9cf/FLAG289ee90f9 [2023-03-31 01:26:20,625 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb3bbe099/09bfcd9b2dae4559827216a27ff9f9cf [2023-03-31 01:26:20,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:26:20,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:26:20,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:26:20,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:26:20,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:26:20,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:26:20" (1/1) ... [2023-03-31 01:26:20,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730e672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20, skipping insertion in model container [2023-03-31 01:26:20,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:26:20" (1/1) ... [2023-03-31 01:26:20,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:26:20,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:26:20,783 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/systemc/transmitter.04.cil.c[706,719] [2023-03-31 01:26:20,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:26:20,866 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:26:20,874 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/systemc/transmitter.04.cil.c[706,719] [2023-03-31 01:26:20,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:26:20,931 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:26:20,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20 WrapperNode [2023-03-31 01:26:20,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:26:20,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:26:20,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:26:20,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:26:20,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20" (1/1) ... [2023-03-31 01:26:20,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20" (1/1) ... [2023-03-31 01:26:20,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20" (1/1) ... [2023-03-31 01:26:20,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20" (1/1) ... [2023-03-31 01:26:20,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20" (1/1) ... [2023-03-31 01:26:20,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20" (1/1) ... [2023-03-31 01:26:20,976 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20" (1/1) ... [2023-03-31 01:26:20,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20" (1/1) ... [2023-03-31 01:26:20,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:26:20,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:26:20,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:26:20,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:26:20,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20" (1/1) ... [2023-03-31 01:26:20,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:26:20,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:26:21,004 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) [2023-03-31 01:26:21,021 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 [2023-03-31 01:26:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:26:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:26:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:26:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-03-31 01:26:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2023-03-31 01:26:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2023-03-31 01:26:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2023-03-31 01:26:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2023-03-31 01:26:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2023-03-31 01:26:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2023-03-31 01:26:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2023-03-31 01:26:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2023-03-31 01:26:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2023-03-31 01:26:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2023-03-31 01:26:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2023-03-31 01:26:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2023-03-31 01:26:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:26:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:26:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:26:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:26:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:26:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:26:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-03-31 01:26:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2023-03-31 01:26:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2023-03-31 01:26:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2023-03-31 01:26:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure master [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-03-31 01:26:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-03-31 01:26:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2023-03-31 01:26:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2023-03-31 01:26:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2023-03-31 01:26:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2023-03-31 01:26:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2023-03-31 01:26:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:26:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:26:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:26:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:26:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:26:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:26:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:26:21,145 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:26:21,147 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:26:21,460 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:26:21,466 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:26:21,467 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-03-31 01:26:21,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:26:21 BoogieIcfgContainer [2023-03-31 01:26:21,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:26:21,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:26:21,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:26:21,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:26:21,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:26:20" (1/3) ... [2023-03-31 01:26:21,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5273360d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:26:21, skipping insertion in model container [2023-03-31 01:26:21,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:20" (2/3) ... [2023-03-31 01:26:21,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5273360d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:26:21, skipping insertion in model container [2023-03-31 01:26:21,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:26:21" (3/3) ... [2023-03-31 01:26:21,473 INFO L112 eAbstractionObserver]: Analyzing ICFG transmitter.04.cil.c [2023-03-31 01:26:21,485 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:26:21,485 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:26:21,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:26:21,525 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;@17c05f71, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:26:21,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:26:21,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 229 states, 164 states have (on average 1.5670731707317074) internal successors, (257), 173 states have internal predecessors, (257), 37 states have call successors, (37), 26 states have call predecessors, (37), 26 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-03-31 01:26:21,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:26:21,540 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:21,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:26:21,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:21,544 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:21,544 INFO L85 PathProgramCache]: Analyzing trace with hash -898297103, now seen corresponding path program 1 times [2023-03-31 01:26:21,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:21,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115148041] [2023-03-31 01:26:21,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:21,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:26:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:26:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:26:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:26:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:21,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:21,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:21,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115148041] [2023-03-31 01:26:21,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115148041] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:21,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:21,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:26:21,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826354822] [2023-03-31 01:26:21,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:21,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:26:21,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:22,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:26:22,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:26:22,017 INFO L87 Difference]: Start difference. First operand has 229 states, 164 states have (on average 1.5670731707317074) internal successors, (257), 173 states have internal predecessors, (257), 37 states have call successors, (37), 26 states have call predecessors, (37), 26 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:23,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:23,419 INFO L93 Difference]: Finished difference Result 571 states and 896 transitions. [2023-03-31 01:26:23,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-31 01:26:23,421 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2023-03-31 01:26:23,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:23,440 INFO L225 Difference]: With dead ends: 571 [2023-03-31 01:26:23,440 INFO L226 Difference]: Without dead ends: 349 [2023-03-31 01:26:23,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:26:23,451 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1081 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:23,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 31 Invalid, 1567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-03-31 01:26:23,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2023-03-31 01:26:23,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 220. [2023-03-31 01:26:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 159 states have (on average 1.4654088050314464) internal successors, (233), 166 states have internal predecessors, (233), 37 states have call successors, (37), 26 states have call predecessors, (37), 23 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-03-31 01:26:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 304 transitions. [2023-03-31 01:26:23,521 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 304 transitions. Word has length 120 [2023-03-31 01:26:23,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:23,521 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 304 transitions. [2023-03-31 01:26:23,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:23,521 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 304 transitions. [2023-03-31 01:26:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:26:23,524 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:23,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:26:23,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:26:23,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:23,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:23,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1499173427, now seen corresponding path program 1 times [2023-03-31 01:26:23,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:23,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447673762] [2023-03-31 01:26:23,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:23,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:26:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:26:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:26:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:26:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:23,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:23,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447673762] [2023-03-31 01:26:23,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447673762] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:23,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:23,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:26:23,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715434552] [2023-03-31 01:26:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:23,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:26:23,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:23,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:26:23,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:26:23,914 INFO L87 Difference]: Start difference. First operand 220 states and 304 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:25,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:25,550 INFO L93 Difference]: Finished difference Result 845 states and 1266 transitions. [2023-03-31 01:26:25,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-31 01:26:25,551 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2023-03-31 01:26:25,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:25,557 INFO L225 Difference]: With dead ends: 845 [2023-03-31 01:26:25,557 INFO L226 Difference]: Without dead ends: 647 [2023-03-31 01:26:25,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2023-03-31 01:26:25,563 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1753 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 453 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 2084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:25,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 15 Invalid, 2084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-03-31 01:26:25,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2023-03-31 01:26:25,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 416. [2023-03-31 01:26:25,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 311 states have (on average 1.4758842443729903) internal successors, (459), 325 states have internal predecessors, (459), 61 states have call successors, (61), 44 states have call predecessors, (61), 43 states have return successors, (62), 59 states have call predecessors, (62), 58 states have call successors, (62) [2023-03-31 01:26:25,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 582 transitions. [2023-03-31 01:26:25,673 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 582 transitions. Word has length 120 [2023-03-31 01:26:25,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:25,674 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 582 transitions. [2023-03-31 01:26:25,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:25,674 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 582 transitions. [2023-03-31 01:26:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:26:25,681 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:25,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:26:25,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:26:25,681 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:25,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:25,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1058430644, now seen corresponding path program 1 times [2023-03-31 01:26:25,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:25,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136003110] [2023-03-31 01:26:25,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:25,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:26:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:26:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:26:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:26:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:25,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:25,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136003110] [2023-03-31 01:26:25,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136003110] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:25,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:25,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:26:25,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103485015] [2023-03-31 01:26:25,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:25,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:26:25,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:25,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:26:25,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:26:25,889 INFO L87 Difference]: Start difference. First operand 416 states and 582 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:27,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:27,104 INFO L93 Difference]: Finished difference Result 1027 states and 1505 transitions. [2023-03-31 01:26:27,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:26:27,104 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2023-03-31 01:26:27,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:27,107 INFO L225 Difference]: With dead ends: 1027 [2023-03-31 01:26:27,107 INFO L226 Difference]: Without dead ends: 633 [2023-03-31 01:26:27,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:26:27,109 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1340 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1340 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 1638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:27,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 16 Invalid, 1638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 1188 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-03-31 01:26:27,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2023-03-31 01:26:27,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 416. [2023-03-31 01:26:27,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 311 states have (on average 1.4533762057877813) internal successors, (452), 325 states have internal predecessors, (452), 61 states have call successors, (61), 44 states have call predecessors, (61), 43 states have return successors, (62), 59 states have call predecessors, (62), 58 states have call successors, (62) [2023-03-31 01:26:27,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 575 transitions. [2023-03-31 01:26:27,182 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 575 transitions. Word has length 120 [2023-03-31 01:26:27,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:27,183 INFO L495 AbstractCegarLoop]: Abstraction has 416 states and 575 transitions. [2023-03-31 01:26:27,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 575 transitions. [2023-03-31 01:26:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:26:27,184 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:27,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:26:27,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:26:27,184 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:27,184 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:27,184 INFO L85 PathProgramCache]: Analyzing trace with hash -632930828, now seen corresponding path program 1 times [2023-03-31 01:26:27,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:27,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032728899] [2023-03-31 01:26:27,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:27,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:26:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:26:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:26:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:26:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:27,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:27,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:27,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032728899] [2023-03-31 01:26:27,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032728899] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:27,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:27,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 01:26:27,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868688718] [2023-03-31 01:26:27,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:27,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:26:27,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:27,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:26:27,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:26:27,382 INFO L87 Difference]: Start difference. First operand 416 states and 575 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:30,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:30,858 INFO L93 Difference]: Finished difference Result 1818 states and 2652 transitions. [2023-03-31 01:26:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:26:30,859 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2023-03-31 01:26:30,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:30,864 INFO L225 Difference]: With dead ends: 1818 [2023-03-31 01:26:30,864 INFO L226 Difference]: Without dead ends: 1424 [2023-03-31 01:26:30,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:26:30,866 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1625 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4090 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1657 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 4494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 4090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:30,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1657 Valid, 16 Invalid, 4494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 4090 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-03-31 01:26:30,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2023-03-31 01:26:31,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 966. [2023-03-31 01:26:31,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 729 states have (on average 1.4320987654320987) internal successors, (1044), 775 states have internal predecessors, (1044), 133 states have call successors, (133), 92 states have call predecessors, (133), 103 states have return successors, (168), 133 states have call predecessors, (168), 130 states have call successors, (168) [2023-03-31 01:26:31,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1345 transitions. [2023-03-31 01:26:31,005 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1345 transitions. Word has length 120 [2023-03-31 01:26:31,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:31,006 INFO L495 AbstractCegarLoop]: Abstraction has 966 states and 1345 transitions. [2023-03-31 01:26:31,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:31,006 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1345 transitions. [2023-03-31 01:26:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:26:31,007 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:31,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:26:31,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:26:31,008 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:31,008 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:31,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1516439818, now seen corresponding path program 1 times [2023-03-31 01:26:31,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:31,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038068242] [2023-03-31 01:26:31,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:31,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:26:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:26:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:26:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:26:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:31,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:31,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038068242] [2023-03-31 01:26:31,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038068242] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:31,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:31,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 01:26:31,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694176051] [2023-03-31 01:26:31,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:31,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:26:31,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:31,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:26:31,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:26:31,205 INFO L87 Difference]: Start difference. First operand 966 states and 1345 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:34,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:34,585 INFO L93 Difference]: Finished difference Result 2749 states and 3998 transitions. [2023-03-31 01:26:34,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:26:34,586 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2023-03-31 01:26:34,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:34,595 INFO L225 Difference]: With dead ends: 2749 [2023-03-31 01:26:34,595 INFO L226 Difference]: Without dead ends: 2018 [2023-03-31 01:26:34,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:26:34,598 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2019 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 3613 mSolverCounterSat, 513 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 4126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 513 IncrementalHoareTripleChecker+Valid, 3613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:34,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2052 Valid, 16 Invalid, 4126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [513 Valid, 3613 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-03-31 01:26:34,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2023-03-31 01:26:34,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1355. [2023-03-31 01:26:34,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 1030 states have (on average 1.4359223300970874) internal successors, (1479), 1090 states have internal predecessors, (1479), 181 states have call successors, (181), 128 states have call predecessors, (181), 143 states have return successors, (228), 183 states have call predecessors, (228), 178 states have call successors, (228) [2023-03-31 01:26:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1888 transitions. [2023-03-31 01:26:34,777 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1888 transitions. Word has length 120 [2023-03-31 01:26:34,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:34,778 INFO L495 AbstractCegarLoop]: Abstraction has 1355 states and 1888 transitions. [2023-03-31 01:26:34,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:34,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1888 transitions. [2023-03-31 01:26:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:26:34,780 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:34,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:26:34,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:26:34,780 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:34,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:34,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1544940108, now seen corresponding path program 1 times [2023-03-31 01:26:34,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:34,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731058815] [2023-03-31 01:26:34,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:34,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:26:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:26:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:26:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:26:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:34,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:34,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731058815] [2023-03-31 01:26:34,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731058815] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:34,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:34,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:26:34,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821704287] [2023-03-31 01:26:34,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:34,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:26:34,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:34,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:26:34,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:26:34,974 INFO L87 Difference]: Start difference. First operand 1355 states and 1888 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:36,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:36,826 INFO L93 Difference]: Finished difference Result 3951 states and 5905 transitions. [2023-03-31 01:26:36,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-31 01:26:36,827 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2023-03-31 01:26:36,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:36,838 INFO L225 Difference]: With dead ends: 3951 [2023-03-31 01:26:36,838 INFO L226 Difference]: Without dead ends: 2619 [2023-03-31 01:26:36,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2023-03-31 01:26:36,843 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1586 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 563 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:36,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 17 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [563 Valid, 1310 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-31 01:26:36,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2619 states. [2023-03-31 01:26:37,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2619 to 1747. [2023-03-31 01:26:37,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1747 states, 1331 states have (on average 1.391435011269722) internal successors, (1852), 1391 states have internal predecessors, (1852), 223 states have call successors, (223), 177 states have call predecessors, (223), 192 states have return successors, (272), 225 states have call predecessors, (272), 220 states have call successors, (272) [2023-03-31 01:26:37,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2347 transitions. [2023-03-31 01:26:37,088 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2347 transitions. Word has length 120 [2023-03-31 01:26:37,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:37,088 INFO L495 AbstractCegarLoop]: Abstraction has 1747 states and 2347 transitions. [2023-03-31 01:26:37,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:37,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2347 transitions. [2023-03-31 01:26:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:26:37,092 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:37,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:26:37,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 01:26:37,092 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:37,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:37,093 INFO L85 PathProgramCache]: Analyzing trace with hash 324029653, now seen corresponding path program 1 times [2023-03-31 01:26:37,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:37,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179520845] [2023-03-31 01:26:37,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:37,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:26:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:26:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:26:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:26:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:37,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:37,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179520845] [2023-03-31 01:26:37,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179520845] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:37,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:37,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 01:26:37,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930338657] [2023-03-31 01:26:37,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:37,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:26:37,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:37,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:26:37,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:26:37,302 INFO L87 Difference]: Start difference. First operand 1747 states and 2347 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:40,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:40,802 INFO L93 Difference]: Finished difference Result 6777 states and 9492 transitions. [2023-03-31 01:26:40,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:26:40,803 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2023-03-31 01:26:40,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:40,821 INFO L225 Difference]: With dead ends: 6777 [2023-03-31 01:26:40,821 INFO L226 Difference]: Without dead ends: 5334 [2023-03-31 01:26:40,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:26:40,826 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1994 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 3513 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 4033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 3513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:40,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 16 Invalid, 4033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 3513 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-03-31 01:26:40,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5334 states. [2023-03-31 01:26:41,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5334 to 4174. [2023-03-31 01:26:41,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4174 states, 3185 states have (on average 1.3896389324960754) internal successors, (4426), 3397 states have internal predecessors, (4426), 519 states have call successors, (519), 397 states have call predecessors, (519), 469 states have return successors, (769), 525 states have call predecessors, (769), 516 states have call successors, (769) [2023-03-31 01:26:41,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4174 states to 4174 states and 5714 transitions. [2023-03-31 01:26:41,477 INFO L78 Accepts]: Start accepts. Automaton has 4174 states and 5714 transitions. Word has length 120 [2023-03-31 01:26:41,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:41,477 INFO L495 AbstractCegarLoop]: Abstraction has 4174 states and 5714 transitions. [2023-03-31 01:26:41,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:41,478 INFO L276 IsEmpty]: Start isEmpty. Operand 4174 states and 5714 transitions. [2023-03-31 01:26:41,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:26:41,481 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:41,481 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:26:41,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 01:26:41,481 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:41,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:41,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2093874413, now seen corresponding path program 1 times [2023-03-31 01:26:41,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:41,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620565778] [2023-03-31 01:26:41,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:41,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:26:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:26:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:26:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:26:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:41,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:41,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:41,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620565778] [2023-03-31 01:26:41,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620565778] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:41,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:41,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:26:41,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260481041] [2023-03-31 01:26:41,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:41,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:26:41,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:41,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:26:41,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:26:41,660 INFO L87 Difference]: Start difference. First operand 4174 states and 5714 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:44,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:44,031 INFO L93 Difference]: Finished difference Result 11022 states and 16025 transitions. [2023-03-31 01:26:44,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-31 01:26:44,031 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2023-03-31 01:26:44,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:44,058 INFO L225 Difference]: With dead ends: 11022 [2023-03-31 01:26:44,059 INFO L226 Difference]: Without dead ends: 6871 [2023-03-31 01:26:44,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2023-03-31 01:26:44,072 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1841 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 671 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 1910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 671 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:44,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1841 Valid, 16 Invalid, 1910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [671 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-31 01:26:44,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6871 states. [2023-03-31 01:26:44,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6871 to 5126. [2023-03-31 01:26:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5126 states, 3916 states have (on average 1.3559754851889683) internal successors, (5310), 4128 states have internal predecessors, (5310), 621 states have call successors, (621), 516 states have call predecessors, (621), 588 states have return successors, (883), 627 states have call predecessors, (883), 618 states have call successors, (883) [2023-03-31 01:26:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5126 states to 5126 states and 6814 transitions. [2023-03-31 01:26:44,822 INFO L78 Accepts]: Start accepts. Automaton has 5126 states and 6814 transitions. Word has length 120 [2023-03-31 01:26:44,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:44,823 INFO L495 AbstractCegarLoop]: Abstraction has 5126 states and 6814 transitions. [2023-03-31 01:26:44,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:44,824 INFO L276 IsEmpty]: Start isEmpty. Operand 5126 states and 6814 transitions. [2023-03-31 01:26:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:26:44,827 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:44,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:26:44,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 01:26:44,827 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:44,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:44,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1023687474, now seen corresponding path program 1 times [2023-03-31 01:26:44,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:44,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189124779] [2023-03-31 01:26:44,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:44,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:44,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:44,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:44,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:44,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:45,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:26:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:45,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:26:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:45,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:45,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:45,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:45,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:45,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:26:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:45,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:26:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:45,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:45,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189124779] [2023-03-31 01:26:45,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189124779] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:45,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:45,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 01:26:45,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068467485] [2023-03-31 01:26:45,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:45,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:26:45,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:45,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:26:45,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:26:45,045 INFO L87 Difference]: Start difference. First operand 5126 states and 6814 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:49,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:49,849 INFO L93 Difference]: Finished difference Result 19702 states and 27130 transitions. [2023-03-31 01:26:49,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:26:49,849 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 120 [2023-03-31 01:26:49,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:49,906 INFO L225 Difference]: With dead ends: 19702 [2023-03-31 01:26:49,906 INFO L226 Difference]: Without dead ends: 15192 [2023-03-31 01:26:49,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:26:49,920 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1866 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 3170 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1898 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 3690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 3170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:49,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1898 Valid, 16 Invalid, 3690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 3170 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-03-31 01:26:49,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15192 states. [2023-03-31 01:26:51,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15192 to 11936. [2023-03-31 01:26:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11936 states, 9162 states have (on average 1.3574547042130538) internal successors, (12437), 9641 states have internal predecessors, (12437), 1392 states have call successors, (1392), 1220 states have call predecessors, (1392), 1381 states have return successors, (2184), 1408 states have call predecessors, (2184), 1389 states have call successors, (2184) [2023-03-31 01:26:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11936 states to 11936 states and 16013 transitions. [2023-03-31 01:26:51,780 INFO L78 Accepts]: Start accepts. Automaton has 11936 states and 16013 transitions. Word has length 120 [2023-03-31 01:26:51,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:51,780 INFO L495 AbstractCegarLoop]: Abstraction has 11936 states and 16013 transitions. [2023-03-31 01:26:51,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 5 states have internal predecessors, (89), 3 states have call successors, (18), 7 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-03-31 01:26:51,781 INFO L276 IsEmpty]: Start isEmpty. Operand 11936 states and 16013 transitions. [2023-03-31 01:26:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:26:51,785 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:51,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:26:51,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-03-31 01:26:51,785 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:51,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:51,786 INFO L85 PathProgramCache]: Analyzing trace with hash 28993776, now seen corresponding path program 1 times [2023-03-31 01:26:51,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:51,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379848182] [2023-03-31 01:26:51,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:51,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:26:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:26:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:26:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:26:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:51,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:51,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379848182] [2023-03-31 01:26:51,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379848182] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:51,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:51,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:26:51,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932222857] [2023-03-31 01:26:51,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:51,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:26:51,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:51,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:26:51,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:26:51,974 INFO L87 Difference]: Start difference. First operand 11936 states and 16013 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-03-31 01:26:55,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:55,567 INFO L93 Difference]: Finished difference Result 26303 states and 36543 transitions. [2023-03-31 01:26:55,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-31 01:26:55,568 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2023-03-31 01:26:55,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:55,616 INFO L225 Difference]: With dead ends: 26303 [2023-03-31 01:26:55,616 INFO L226 Difference]: Without dead ends: 14391 [2023-03-31 01:26:55,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:26:55,649 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 645 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 2404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:55,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 36 Invalid, 2404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 2228 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-31 01:26:55,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14391 states. [2023-03-31 01:26:57,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14391 to 11946. [2023-03-31 01:26:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11946 states, 9170 states have (on average 1.3440567066521265) internal successors, (12325), 9649 states have internal predecessors, (12325), 1392 states have call successors, (1392), 1220 states have call predecessors, (1392), 1383 states have return successors, (2186), 1410 states have call predecessors, (2186), 1389 states have call successors, (2186) [2023-03-31 01:26:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11946 states to 11946 states and 15903 transitions. [2023-03-31 01:26:57,551 INFO L78 Accepts]: Start accepts. Automaton has 11946 states and 15903 transitions. Word has length 120 [2023-03-31 01:26:57,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:57,552 INFO L495 AbstractCegarLoop]: Abstraction has 11946 states and 15903 transitions. [2023-03-31 01:26:57,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-03-31 01:26:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 11946 states and 15903 transitions. [2023-03-31 01:26:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:26:57,557 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:57,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:26:57,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-03-31 01:26:57,558 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:57,558 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:57,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1763098226, now seen corresponding path program 1 times [2023-03-31 01:26:57,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:57,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389802456] [2023-03-31 01:26:57,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:26:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:26:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:26:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:26:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:57,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:57,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:57,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389802456] [2023-03-31 01:26:57,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389802456] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:57,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:57,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:26:57,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167388483] [2023-03-31 01:26:57,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:57,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:26:57,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:57,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:26:57,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:26:57,763 INFO L87 Difference]: Start difference. First operand 11946 states and 15903 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-03-31 01:27:01,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:27:01,324 INFO L93 Difference]: Finished difference Result 26642 states and 36760 transitions. [2023-03-31 01:27:01,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-31 01:27:01,325 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2023-03-31 01:27:01,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:27:01,365 INFO L225 Difference]: With dead ends: 26642 [2023-03-31 01:27:01,365 INFO L226 Difference]: Without dead ends: 14720 [2023-03-31 01:27:01,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:27:01,391 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 787 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 2167 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 2167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:27:01,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 36 Invalid, 2396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 2167 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-31 01:27:01,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14720 states. [2023-03-31 01:27:03,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14720 to 12171. [2023-03-31 01:27:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12171 states, 9350 states have (on average 1.329090909090909) internal successors, (12427), 9829 states have internal predecessors, (12427), 1392 states have call successors, (1392), 1220 states have call predecessors, (1392), 1428 states have return successors, (2231), 1455 states have call predecessors, (2231), 1389 states have call successors, (2231) [2023-03-31 01:27:03,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12171 states to 12171 states and 16050 transitions. [2023-03-31 01:27:03,277 INFO L78 Accepts]: Start accepts. Automaton has 12171 states and 16050 transitions. Word has length 120 [2023-03-31 01:27:03,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:27:03,277 INFO L495 AbstractCegarLoop]: Abstraction has 12171 states and 16050 transitions. [2023-03-31 01:27:03,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-03-31 01:27:03,278 INFO L276 IsEmpty]: Start isEmpty. Operand 12171 states and 16050 transitions. [2023-03-31 01:27:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:27:03,282 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:27:03,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:27:03,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-03-31 01:27:03,282 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:27:03,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:27:03,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1031130800, now seen corresponding path program 1 times [2023-03-31 01:27:03,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:27:03,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490191155] [2023-03-31 01:27:03,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:27:03,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:27:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:27:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:27:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:27:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:27:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:27:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:27:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:27:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:27:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:27:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:27:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:27:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:27:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:27:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:03,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:27:03,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:27:03,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490191155] [2023-03-31 01:27:03,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490191155] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:27:03,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:27:03,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:27:03,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247937852] [2023-03-31 01:27:03,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:27:03,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:27:03,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:27:03,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:27:03,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:27:03,458 INFO L87 Difference]: Start difference. First operand 12171 states and 16050 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-03-31 01:27:06,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:27:06,982 INFO L93 Difference]: Finished difference Result 27581 states and 37619 transitions. [2023-03-31 01:27:06,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-31 01:27:06,983 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2023-03-31 01:27:06,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:27:07,024 INFO L225 Difference]: With dead ends: 27581 [2023-03-31 01:27:07,024 INFO L226 Difference]: Without dead ends: 15434 [2023-03-31 01:27:07,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:27:07,047 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 778 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 2180 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 2404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 2180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:27:07,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 36 Invalid, 2404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 2180 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-31 01:27:07,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15434 states. [2023-03-31 01:27:08,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15434 to 12646. [2023-03-31 01:27:08,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12646 states, 9730 states have (on average 1.313360739979445) internal successors, (12779), 10209 states have internal predecessors, (12779), 1392 states have call successors, (1392), 1220 states have call predecessors, (1392), 1523 states have return successors, (2326), 1550 states have call predecessors, (2326), 1389 states have call successors, (2326) [2023-03-31 01:27:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12646 states to 12646 states and 16497 transitions. [2023-03-31 01:27:08,892 INFO L78 Accepts]: Start accepts. Automaton has 12646 states and 16497 transitions. Word has length 120 [2023-03-31 01:27:08,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:27:08,893 INFO L495 AbstractCegarLoop]: Abstraction has 12646 states and 16497 transitions. [2023-03-31 01:27:08,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-03-31 01:27:08,893 INFO L276 IsEmpty]: Start isEmpty. Operand 12646 states and 16497 transitions. [2023-03-31 01:27:08,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:27:08,897 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:27:08,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:27:08,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-03-31 01:27:08,897 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:27:08,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:27:08,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2002919246, now seen corresponding path program 1 times [2023-03-31 01:27:08,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:27:08,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179344740] [2023-03-31 01:27:08,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:27:08,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:27:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:08,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:27:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:08,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:27:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:27:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:08,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:27:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:08,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:27:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:27:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:09,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:27:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:27:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:09,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:27:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:27:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:27:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:27:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:27:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:27:09,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:27:09,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179344740] [2023-03-31 01:27:09,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179344740] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:27:09,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:27:09,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:27:09,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170421863] [2023-03-31 01:27:09,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:27:09,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:27:09,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:27:09,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:27:09,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:27:09,045 INFO L87 Difference]: Start difference. First operand 12646 states and 16497 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-03-31 01:27:12,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:27:12,680 INFO L93 Difference]: Finished difference Result 27944 states and 37776 transitions. [2023-03-31 01:27:12,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-31 01:27:12,681 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 120 [2023-03-31 01:27:12,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:27:12,720 INFO L225 Difference]: With dead ends: 27944 [2023-03-31 01:27:12,720 INFO L226 Difference]: Without dead ends: 15322 [2023-03-31 01:27:12,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:27:12,743 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 486 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 2352 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 2463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 2352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:27:12,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 38 Invalid, 2463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 2352 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-31 01:27:12,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15322 states. [2023-03-31 01:27:14,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15322 to 12871. [2023-03-31 01:27:14,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12871 states, 9910 states have (on average 1.2997981836528758) internal successors, (12881), 10389 states have internal predecessors, (12881), 1392 states have call successors, (1392), 1220 states have call predecessors, (1392), 1568 states have return successors, (2371), 1595 states have call predecessors, (2371), 1389 states have call successors, (2371) [2023-03-31 01:27:14,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12871 states to 12871 states and 16644 transitions. [2023-03-31 01:27:14,603 INFO L78 Accepts]: Start accepts. Automaton has 12871 states and 16644 transitions. Word has length 120 [2023-03-31 01:27:14,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:27:14,603 INFO L495 AbstractCegarLoop]: Abstraction has 12871 states and 16644 transitions. [2023-03-31 01:27:14,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (18), 6 states have call predecessors, (18), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-03-31 01:27:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 12871 states and 16644 transitions. [2023-03-31 01:27:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-03-31 01:27:14,607 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:27:14,607 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:27:14,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-03-31 01:27:14,608 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:27:14,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:27:14,608 INFO L85 PathProgramCache]: Analyzing trace with hash -63757200, now seen corresponding path program 1 times [2023-03-31 01:27:14,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:27:14,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596577965] [2023-03-31 01:27:14,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:27:14,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:27:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:27:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:27:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:27:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:27:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-03-31 01:27:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-03-31 01:27:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:27:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:27:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:27:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:27:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:27:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 01:27:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 01:27:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:27:14,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:27:14,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596577965] [2023-03-31 01:27:14,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596577965] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:27:14,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:27:14,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:27:14,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51157858] [2023-03-31 01:27:14,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:27:14,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:27:14,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:27:14,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:27:14,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:27:14,801 INFO L87 Difference]: Start difference. First operand 12871 states and 16644 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (18), 7 states have call predecessors, (18), 5 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13)