/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.11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:55:29,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:55:29,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:55:29,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:55:29,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:55:29,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:55:29,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:55:29,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:55:29,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:55:30,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:55:30,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:55:30,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:55:30,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:55:30,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:55:30,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:55:30,012 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:55:30,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:55:30,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:55:30,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:55:30,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:55:30,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:55:30,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:55:30,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:55:30,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:55:30,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:55:30,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:55:30,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:55:30,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:55:30,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:55:30,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:55:30,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:55:30,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:55:30,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:55:30,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:55:30,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:55:30,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:55:30,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:55:30,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:55:30,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:55:30,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:55:30,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:55:30,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 04:55:30,067 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:55:30,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:55:30,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:55:30,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:55:30,069 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:55:30,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:55:30,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:55:30,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:55:30,070 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:55:30,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:55:30,071 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:55:30,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:55:30,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:55:30,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:55:30,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:55:30,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:55:30,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:55:30,072 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:55:30,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:55:30,072 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:55:30,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:55:30,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:55:30,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:55:30,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:55:30,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:55:30,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:55:30,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:55:30,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:55:30,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:55:30,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:55:30,074 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:55:30,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:55:30,074 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:55:30,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:55:30,074 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:55:30,074 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:55:30,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:55:30,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:55:30,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:55:30,346 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:55:30,347 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:55:30,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.11.cil.c [2023-04-02 04:55:31,512 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:55:31,752 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:55:31,752 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.11.cil.c [2023-04-02 04:55:31,764 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e7eb474b/74a3e4513f0643ae914180731c794e96/FLAG4ef2fed49 [2023-04-02 04:55:31,777 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e7eb474b/74a3e4513f0643ae914180731c794e96 [2023-04-02 04:55:31,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:55:31,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:55:31,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:55:31,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:55:31,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:55:31,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:55:31" (1/1) ... [2023-04-02 04:55:31,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7729f0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:31, skipping insertion in model container [2023-04-02 04:55:31,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:55:31" (1/1) ... [2023-04-02 04:55:31,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:55:31,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:55:31,965 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.11.cil.c[706,719] [2023-04-02 04:55:32,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:55:32,093 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:55:32,103 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.11.cil.c[706,719] [2023-04-02 04:55:32,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:55:32,191 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:55:32,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:32 WrapperNode [2023-04-02 04:55:32,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:55:32,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:55:32,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:55:32,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:55:32,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:32" (1/1) ... [2023-04-02 04:55:32,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:32" (1/1) ... [2023-04-02 04:55:32,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:32" (1/1) ... [2023-04-02 04:55:32,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:32" (1/1) ... [2023-04-02 04:55:32,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:32" (1/1) ... [2023-04-02 04:55:32,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:32" (1/1) ... [2023-04-02 04:55:32,278 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:32" (1/1) ... [2023-04-02 04:55:32,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:32" (1/1) ... [2023-04-02 04:55:32,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:55:32,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:55:32,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:55:32,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:55:32,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:32" (1/1) ... [2023-04-02 04:55:32,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:55:32,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:55:32,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 04:55:32,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 04:55:32,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:55:32,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:55:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:55:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-04-02 04:55:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2023-04-02 04:55:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2023-04-02 04:55:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2023-04-02 04:55:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2023-04-02 04:55:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2023-04-02 04:55:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2023-04-02 04:55:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2023-04-02 04:55:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2023-04-02 04:55:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2023-04-02 04:55:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2023-04-02 04:55:32,388 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2023-04-02 04:55:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2023-04-02 04:55:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2023-04-02 04:55:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2023-04-02 04:55:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2023-04-02 04:55:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2023-04-02 04:55:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2023-04-02 04:55:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2023-04-02 04:55:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2023-04-02 04:55:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2023-04-02 04:55:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2023-04-02 04:55:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2023-04-02 04:55:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2023-04-02 04:55:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2023-04-02 04:55:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-04-02 04:55:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2023-04-02 04:55:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-04-02 04:55:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2023-04-02 04:55:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-04-02 04:55:32,390 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-04-02 04:55:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-04-02 04:55:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-04-02 04:55:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2023-04-02 04:55:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2023-04-02 04:55:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2023-04-02 04:55:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2023-04-02 04:55:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2023-04-02 04:55:32,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:55:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:55:32,391 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:55:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:55:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:55:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:55:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-04-02 04:55:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2023-04-02 04:55:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2023-04-02 04:55:32,392 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2023-04-02 04:55:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2023-04-02 04:55:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2023-04-02 04:55:32,393 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2023-04-02 04:55:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2023-04-02 04:55:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2023-04-02 04:55:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2023-04-02 04:55:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2023-04-02 04:55:32,394 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2023-04-02 04:55:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2023-04-02 04:55:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-04-02 04:55:32,395 INFO L130 BoogieDeclarations]: Found specification of procedure master [2023-04-02 04:55:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2023-04-02 04:55:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2023-04-02 04:55:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2023-04-02 04:55:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2023-04-02 04:55:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2023-04-02 04:55:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2023-04-02 04:55:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2023-04-02 04:55:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2023-04-02 04:55:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2023-04-02 04:55:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2023-04-02 04:55:32,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2023-04-02 04:55:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-04-02 04:55:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2023-04-02 04:55:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-04-02 04:55:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2023-04-02 04:55:32,397 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-04-02 04:55:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-04-02 04:55:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-04-02 04:55:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2023-04-02 04:55:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2023-04-02 04:55:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2023-04-02 04:55:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2023-04-02 04:55:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2023-04-02 04:55:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:55:32,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:55:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:55:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:55:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:55:32,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:55:32,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:55:32,543 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:55:32,545 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:55:33,446 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:55:33,465 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:55:33,465 INFO L302 CfgBuilder]: Removed 15 assume(true) statements. [2023-04-02 04:55:33,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:55:33 BoogieIcfgContainer [2023-04-02 04:55:33,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:55:33,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:55:33,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:55:33,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:55:33,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:55:31" (1/3) ... [2023-04-02 04:55:33,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17df86ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:55:33, skipping insertion in model container [2023-04-02 04:55:33,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:55:32" (2/3) ... [2023-04-02 04:55:33,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17df86ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:55:33, skipping insertion in model container [2023-04-02 04:55:33,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:55:33" (3/3) ... [2023-04-02 04:55:33,479 INFO L112 eAbstractionObserver]: Analyzing ICFG transmitter.11.cil.c [2023-04-02 04:55:33,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:55:33,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:55:33,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:55:33,590 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;@37c24ea1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:55:33,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:55:33,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 439 states, 339 states have (on average 1.6253687315634218) internal successors, (551), 355 states have internal predecessors, (551), 58 states have call successors, (58), 40 states have call predecessors, (58), 40 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-04-02 04:55:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:55:33,631 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:55:33,632 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:55:33,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:55:33,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:55:33,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1043481236, now seen corresponding path program 1 times [2023-04-02 04:55:33,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:55:33,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765662676] [2023-04-02 04:55:33,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:55:33,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:55:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:55:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:55:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:55:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:55:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:55:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:55:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:55:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:55:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:55:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:55:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:55:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:55:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:55:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:55:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:55:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:55:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:55:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:55:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:55:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:55:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:34,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:55:34,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:55:34,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765662676] [2023-04-02 04:55:34,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765662676] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:55:34,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:55:34,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:55:34,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467238550] [2023-04-02 04:55:34,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:55:34,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:55:34,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:55:34,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:55:34,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:55:34,833 INFO L87 Difference]: Start difference. First operand has 439 states, 339 states have (on average 1.6253687315634218) internal successors, (551), 355 states have internal predecessors, (551), 58 states have call successors, (58), 40 states have call predecessors, (58), 40 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:55:40,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:55:40,305 INFO L93 Difference]: Finished difference Result 1139 states and 1864 transitions. [2023-04-02 04:55:40,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-02 04:55:40,308 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:55:40,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:55:40,334 INFO L225 Difference]: With dead ends: 1139 [2023-04-02 04:55:40,334 INFO L226 Difference]: Without dead ends: 706 [2023-04-02 04:55:40,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2023-04-02 04:55:40,349 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1777 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2909 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 3317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 2909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:55:40,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 33 Invalid, 3317 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [408 Valid, 2909 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-04-02 04:55:40,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-04-02 04:55:40,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 430. [2023-04-02 04:55:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 334 states have (on average 1.535928143712575) internal successors, (513), 348 states have internal predecessors, (513), 58 states have call successors, (58), 40 states have call predecessors, (58), 37 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2023-04-02 04:55:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 626 transitions. [2023-04-02 04:55:40,598 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 626 transitions. Word has length 225 [2023-04-02 04:55:40,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:55:40,598 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 626 transitions. [2023-04-02 04:55:40,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:55:40,599 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 626 transitions. [2023-04-02 04:55:40,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:55:40,605 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:55:40,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:55:40,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:55:40,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:55:40,607 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:55:40,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1898020694, now seen corresponding path program 1 times [2023-04-02 04:55:40,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:55:40,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16725475] [2023-04-02 04:55:40,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:55:40,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:55:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:40,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:55:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:55:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:55:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:55:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:55:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:55:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:55:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:55:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:55:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:55:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:55:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:55:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:55:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:55:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:55:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:55:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:55:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:55:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:55:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:55:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:55:41,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:55:41,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16725475] [2023-04-02 04:55:41,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16725475] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:55:41,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:55:41,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:55:41,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719513627] [2023-04-02 04:55:41,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:55:41,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:55:41,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:55:41,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:55:41,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:55:41,226 INFO L87 Difference]: Start difference. First operand 430 states and 626 transitions. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:55:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:55:45,383 INFO L93 Difference]: Finished difference Result 1110 states and 1686 transitions. [2023-04-02 04:55:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-02 04:55:45,384 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:55:45,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:55:45,390 INFO L225 Difference]: With dead ends: 1110 [2023-04-02 04:55:45,391 INFO L226 Difference]: Without dead ends: 706 [2023-04-02 04:55:45,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-04-02 04:55:45,393 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2305 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2591 mSolverCounterSat, 561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2305 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 3152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 2591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:55:45,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2305 Valid, 14 Invalid, 3152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [561 Valid, 2591 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-04-02 04:55:45,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-04-02 04:55:45,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 430. [2023-04-02 04:55:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 334 states have (on average 1.532934131736527) internal successors, (512), 348 states have internal predecessors, (512), 58 states have call successors, (58), 40 states have call predecessors, (58), 37 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2023-04-02 04:55:45,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 625 transitions. [2023-04-02 04:55:45,562 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 625 transitions. Word has length 225 [2023-04-02 04:55:45,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:55:45,562 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 625 transitions. [2023-04-02 04:55:45,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:55:45,563 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 625 transitions. [2023-04-02 04:55:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:55:45,566 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:55:45,566 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:55:45,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 04:55:45,566 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:55:45,567 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:55:45,567 INFO L85 PathProgramCache]: Analyzing trace with hash -466444776, now seen corresponding path program 1 times [2023-04-02 04:55:45,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:55:45,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409002746] [2023-04-02 04:55:45,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:55:45,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:55:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:55:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:55:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:55:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:55:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:55:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:55:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:55:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:55:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:55:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:55:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:55:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:55:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:55:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:55:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:55:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:55:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:55:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:55:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:55:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:55:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:55:46,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:55:46,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409002746] [2023-04-02 04:55:46,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409002746] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:55:46,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:55:46,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-02 04:55:46,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068905498] [2023-04-02 04:55:46,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:55:46,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-02 04:55:46,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:55:46,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-02 04:55:46,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-04-02 04:55:46,301 INFO L87 Difference]: Start difference. First operand 430 states and 625 transitions. Second operand has 8 states, 8 states have (on average 22.5) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:55:52,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:55:52,314 INFO L93 Difference]: Finished difference Result 1755 states and 2728 transitions. [2023-04-02 04:55:52,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 04:55:52,315 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:55:52,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:55:52,325 INFO L225 Difference]: With dead ends: 1755 [2023-04-02 04:55:52,326 INFO L226 Difference]: Without dead ends: 1354 [2023-04-02 04:55:52,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2023-04-02 04:55:52,335 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3367 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 3775 mSolverCounterSat, 677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3419 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 4452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 3775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:55:52,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3419 Valid, 15 Invalid, 4452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 3775 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-04-02 04:55:52,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2023-04-02 04:55:52,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 843. [2023-04-02 04:55:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 668 states have (on average 1.5449101796407185) internal successors, (1032), 696 states have internal predecessors, (1032), 103 states have call successors, (103), 72 states have call predecessors, (103), 71 states have return successors, (104), 101 states have call predecessors, (104), 100 states have call successors, (104) [2023-04-02 04:55:52,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1239 transitions. [2023-04-02 04:55:52,665 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1239 transitions. Word has length 225 [2023-04-02 04:55:52,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:55:52,665 INFO L495 AbstractCegarLoop]: Abstraction has 843 states and 1239 transitions. [2023-04-02 04:55:52,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.5) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:55:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1239 transitions. [2023-04-02 04:55:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:55:52,669 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:55:52,669 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:55:52,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 04:55:52,670 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:55:52,671 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:55:52,671 INFO L85 PathProgramCache]: Analyzing trace with hash 480345813, now seen corresponding path program 1 times [2023-04-02 04:55:52,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:55:52,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033450932] [2023-04-02 04:55:52,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:55:52,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:55:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:55:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:55:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:55:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:55:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:55:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:55:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:55:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:55:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:55:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:55:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:55:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:55:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:55:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:55:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:55:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:55:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:55:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:55:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:55:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:55:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:53,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:55:53,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:55:53,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033450932] [2023-04-02 04:55:53,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033450932] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:55:53,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:55:53,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 04:55:53,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381977491] [2023-04-02 04:55:53,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:55:53,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 04:55:53,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:55:53,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 04:55:53,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-04-02 04:55:53,370 INFO L87 Difference]: Start difference. First operand 843 states and 1239 transitions. Second operand has 10 states, 10 states have (on average 18.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:55:57,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:55:57,201 INFO L93 Difference]: Finished difference Result 2137 states and 3248 transitions. [2023-04-02 04:55:57,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:55:57,202 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:55:57,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:55:57,208 INFO L225 Difference]: With dead ends: 2137 [2023-04-02 04:55:57,208 INFO L226 Difference]: Without dead ends: 1323 [2023-04-02 04:55:57,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2023-04-02 04:55:57,212 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2888 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2888 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 3050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 724 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-04-02 04:55:57,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2888 Valid, 17 Invalid, 3050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [724 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-04-02 04:55:57,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2023-04-02 04:55:57,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 843. [2023-04-02 04:55:57,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 668 states have (on average 1.534431137724551) internal successors, (1025), 696 states have internal predecessors, (1025), 103 states have call successors, (103), 72 states have call predecessors, (103), 71 states have return successors, (104), 101 states have call predecessors, (104), 100 states have call successors, (104) [2023-04-02 04:55:57,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1232 transitions. [2023-04-02 04:55:57,502 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1232 transitions. Word has length 225 [2023-04-02 04:55:57,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:55:57,503 INFO L495 AbstractCegarLoop]: Abstraction has 843 states and 1232 transitions. [2023-04-02 04:55:57,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:55:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1232 transitions. [2023-04-02 04:55:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:55:57,508 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:55:57,508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:55:57,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 04:55:57,509 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:55:57,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:55:57,509 INFO L85 PathProgramCache]: Analyzing trace with hash -213452455, now seen corresponding path program 1 times [2023-04-02 04:55:57,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:55:57,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183784035] [2023-04-02 04:55:57,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:55:57,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:55:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:55:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:55:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:55:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:55:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:55:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:55:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:55:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:55:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:55:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:55:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:55:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:55:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:55:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:55:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:55:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:55:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:55:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:55:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:55:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:55:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:55:58,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:55:58,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:55:58,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183784035] [2023-04-02 04:55:58,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183784035] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:55:58,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:55:58,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:55:58,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605414644] [2023-04-02 04:55:58,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:55:58,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:55:58,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:55:58,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:55:58,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:55:58,369 INFO L87 Difference]: Start difference. First operand 843 states and 1232 transitions. Second operand has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:56:09,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:56:09,589 INFO L93 Difference]: Finished difference Result 3838 states and 5820 transitions. [2023-04-02 04:56:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:56:09,590 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:56:09,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:56:09,607 INFO L225 Difference]: With dead ends: 3838 [2023-04-02 04:56:09,607 INFO L226 Difference]: Without dead ends: 3024 [2023-04-02 04:56:09,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-04-02 04:56:09,612 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3709 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 7784 mSolverCounterSat, 735 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3763 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 8519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 735 IncrementalHoareTripleChecker+Valid, 7784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:56:09,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3763 Valid, 17 Invalid, 8519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [735 Valid, 7784 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2023-04-02 04:56:09,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3024 states. [2023-04-02 04:56:10,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3024 to 2032. [2023-04-02 04:56:10,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2032 states, 1599 states have (on average 1.4971857410881801) internal successors, (2394), 1701 states have internal predecessors, (2394), 245 states have call successors, (245), 162 states have call predecessors, (245), 187 states have return successors, (315), 245 states have call predecessors, (315), 242 states have call successors, (315) [2023-04-02 04:56:10,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2954 transitions. [2023-04-02 04:56:10,237 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2954 transitions. Word has length 225 [2023-04-02 04:56:10,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:56:10,237 INFO L495 AbstractCegarLoop]: Abstraction has 2032 states and 2954 transitions. [2023-04-02 04:56:10,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:56:10,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2954 transitions. [2023-04-02 04:56:10,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:56:10,241 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:56:10,242 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:56:10,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 04:56:10,242 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:56:10,242 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:56:10,242 INFO L85 PathProgramCache]: Analyzing trace with hash 273621271, now seen corresponding path program 1 times [2023-04-02 04:56:10,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:56:10,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185856843] [2023-04-02 04:56:10,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:56:10,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:56:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:56:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:56:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:56:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:56:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:56:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:56:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:56:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:56:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:56:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:56:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:56:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:56:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:56:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:56:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:56:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:56:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:56:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:56:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:56:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:56:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:56:10,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:56:10,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185856843] [2023-04-02 04:56:10,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185856843] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:56:10,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:56:10,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 04:56:10,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066399464] [2023-04-02 04:56:10,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:56:10,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 04:56:10,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:56:10,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 04:56:10,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-04-02 04:56:10,836 INFO L87 Difference]: Start difference. First operand 2032 states and 2954 transitions. Second operand has 10 states, 10 states have (on average 18.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:56:14,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:56:14,869 INFO L93 Difference]: Finished difference Result 4444 states and 6647 transitions. [2023-04-02 04:56:14,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:56:14,869 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:56:14,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:56:14,884 INFO L225 Difference]: With dead ends: 4444 [2023-04-02 04:56:14,884 INFO L226 Difference]: Without dead ends: 2869 [2023-04-02 04:56:14,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2023-04-02 04:56:14,890 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3561 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 2315 mSolverCounterSat, 876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3561 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 3191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 876 IncrementalHoareTripleChecker+Valid, 2315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:56:14,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3561 Valid, 16 Invalid, 3191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [876 Valid, 2315 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-02 04:56:14,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2023-04-02 04:56:15,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2030. [2023-04-02 04:56:15,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2030 states, 1597 states have (on average 1.4896681277395116) internal successors, (2379), 1699 states have internal predecessors, (2379), 245 states have call successors, (245), 162 states have call predecessors, (245), 187 states have return successors, (315), 245 states have call predecessors, (315), 242 states have call successors, (315) [2023-04-02 04:56:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 2030 states and 2939 transitions. [2023-04-02 04:56:15,560 INFO L78 Accepts]: Start accepts. Automaton has 2030 states and 2939 transitions. Word has length 225 [2023-04-02 04:56:15,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:56:15,560 INFO L495 AbstractCegarLoop]: Abstraction has 2030 states and 2939 transitions. [2023-04-02 04:56:15,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:56:15,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2939 transitions. [2023-04-02 04:56:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:56:15,565 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:56:15,565 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:56:15,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 04:56:15,566 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:56:15,566 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:56:15,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1067881317, now seen corresponding path program 1 times [2023-04-02 04:56:15,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:56:15,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375091414] [2023-04-02 04:56:15,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:56:15,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:56:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:56:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:56:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:56:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:56:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:56:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:56:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:56:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:56:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:56:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:56:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:56:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:56:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:56:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:56:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:56:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:56:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:56:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:56:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:56:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:56:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:56:16,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:56:16,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375091414] [2023-04-02 04:56:16,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375091414] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:56:16,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:56:16,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:56:16,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444459891] [2023-04-02 04:56:16,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:56:16,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:56:16,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:56:16,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:56:16,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:56:16,228 INFO L87 Difference]: Start difference. First operand 2030 states and 2939 transitions. Second operand has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:56:26,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:56:26,893 INFO L93 Difference]: Finished difference Result 5869 states and 8852 transitions. [2023-04-02 04:56:26,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:56:26,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:56:26,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:56:26,915 INFO L225 Difference]: With dead ends: 5869 [2023-04-02 04:56:26,916 INFO L226 Difference]: Without dead ends: 4316 [2023-04-02 04:56:26,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-04-02 04:56:26,922 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4142 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 8168 mSolverCounterSat, 865 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4196 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 9033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 865 IncrementalHoareTripleChecker+Valid, 8168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:56:26,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4196 Valid, 16 Invalid, 9033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [865 Valid, 8168 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-04-02 04:56:26,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4316 states. [2023-04-02 04:56:28,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4316 to 2849. [2023-04-02 04:56:28,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2849 states, 2258 states have (on average 1.5013286093888396) internal successors, (3390), 2388 states have internal predecessors, (3390), 335 states have call successors, (335), 226 states have call predecessors, (335), 255 states have return successors, (417), 337 states have call predecessors, (417), 332 states have call successors, (417) [2023-04-02 04:56:28,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 4142 transitions. [2023-04-02 04:56:28,054 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 4142 transitions. Word has length 225 [2023-04-02 04:56:28,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:56:28,056 INFO L495 AbstractCegarLoop]: Abstraction has 2849 states and 4142 transitions. [2023-04-02 04:56:28,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:56:28,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 4142 transitions. [2023-04-02 04:56:28,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:56:28,062 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:56:28,062 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:56:28,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 04:56:28,063 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:56:28,063 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:56:28,063 INFO L85 PathProgramCache]: Analyzing trace with hash -944599651, now seen corresponding path program 1 times [2023-04-02 04:56:28,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:56:28,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973476780] [2023-04-02 04:56:28,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:56:28,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:56:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:56:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:56:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:56:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:56:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:56:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:56:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:56:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:56:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:56:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:56:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:56:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:56:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:56:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:56:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:56:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:56:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:56:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:56:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:56:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:56:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:56:28,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:56:28,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973476780] [2023-04-02 04:56:28,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973476780] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:56:28,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:56:28,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:56:28,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659939323] [2023-04-02 04:56:28,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:56:28,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:56:28,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:56:28,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:56:28,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:56:28,715 INFO L87 Difference]: Start difference. First operand 2849 states and 4142 transitions. Second operand has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:56:40,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:56:40,138 INFO L93 Difference]: Finished difference Result 9153 states and 13818 transitions. [2023-04-02 04:56:40,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:56:40,139 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:56:40,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:56:40,170 INFO L225 Difference]: With dead ends: 9153 [2023-04-02 04:56:40,170 INFO L226 Difference]: Without dead ends: 6822 [2023-04-02 04:56:40,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-04-02 04:56:40,181 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3676 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 8217 mSolverCounterSat, 778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3730 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 8995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 778 IncrementalHoareTripleChecker+Valid, 8217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:56:40,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3730 Valid, 16 Invalid, 8995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [778 Valid, 8217 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-04-02 04:56:40,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6822 states. [2023-04-02 04:56:41,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6822 to 4478. [2023-04-02 04:56:41,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4478 states, 3571 states have (on average 1.5110613273592832) internal successors, (5396), 3757 states have internal predecessors, (5396), 515 states have call successors, (515), 354 states have call predecessors, (515), 391 states have return successors, (627), 521 states have call predecessors, (627), 512 states have call successors, (627) [2023-04-02 04:56:41,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4478 states to 4478 states and 6538 transitions. [2023-04-02 04:56:41,663 INFO L78 Accepts]: Start accepts. Automaton has 4478 states and 6538 transitions. Word has length 225 [2023-04-02 04:56:41,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:56:41,663 INFO L495 AbstractCegarLoop]: Abstraction has 4478 states and 6538 transitions. [2023-04-02 04:56:41,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:56:41,663 INFO L276 IsEmpty]: Start isEmpty. Operand 4478 states and 6538 transitions. [2023-04-02 04:56:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:56:41,670 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:56:41,670 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:56:41,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 04:56:41,670 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:56:41,670 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:56:41,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1276134491, now seen corresponding path program 1 times [2023-04-02 04:56:41,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:56:41,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394161234] [2023-04-02 04:56:41,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:56:41,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:56:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:56:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:56:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:56:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:56:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:56:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:56:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:56:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:56:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:56:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:56:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:56:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:56:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:56:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:56:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:56:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:56:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:56:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:56:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:56:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:56:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:56:42,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:56:42,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394161234] [2023-04-02 04:56:42,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394161234] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:56:42,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:56:42,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:56:42,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909622940] [2023-04-02 04:56:42,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:56:42,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:56:42,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:56:42,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:56:42,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:56:42,357 INFO L87 Difference]: Start difference. First operand 4478 states and 6538 transitions. Second operand has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:56:54,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:56:54,893 INFO L93 Difference]: Finished difference Result 15711 states and 23762 transitions. [2023-04-02 04:56:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:56:54,893 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:56:54,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:56:54,953 INFO L225 Difference]: With dead ends: 15711 [2023-04-02 04:56:54,953 INFO L226 Difference]: Without dead ends: 11824 [2023-04-02 04:56:54,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-04-02 04:56:54,973 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4647 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 7558 mSolverCounterSat, 959 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4701 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 8517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 959 IncrementalHoareTripleChecker+Valid, 7558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:56:54,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4701 Valid, 16 Invalid, 8517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [959 Valid, 7558 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-04-02 04:56:54,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11824 states. [2023-04-02 04:56:57,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11824 to 7735. [2023-04-02 04:56:57,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7735 states, 6196 states have (on average 1.5174306003873468) internal successors, (9402), 6494 states have internal predecessors, (9402), 875 states have call successors, (875), 610 states have call predecessors, (875), 663 states have return successors, (1065), 889 states have call predecessors, (1065), 872 states have call successors, (1065) [2023-04-02 04:56:57,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7735 states to 7735 states and 11342 transitions. [2023-04-02 04:56:57,337 INFO L78 Accepts]: Start accepts. Automaton has 7735 states and 11342 transitions. Word has length 225 [2023-04-02 04:56:57,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:56:57,338 INFO L495 AbstractCegarLoop]: Abstraction has 7735 states and 11342 transitions. [2023-04-02 04:56:57,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:56:57,338 INFO L276 IsEmpty]: Start isEmpty. Operand 7735 states and 11342 transitions. [2023-04-02 04:56:57,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:56:57,350 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:56:57,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:56:57,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 04:56:57,351 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:56:57,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:56:57,351 INFO L85 PathProgramCache]: Analyzing trace with hash -2115912227, now seen corresponding path program 1 times [2023-04-02 04:56:57,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:56:57,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213029227] [2023-04-02 04:56:57,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:56:57,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:56:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:56:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:56:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:56:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:56:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:56:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:56:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:56:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:56:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:56:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:56:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:56:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:56:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:56:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:56:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:56:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:56:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:56:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:56:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:56:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:56:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:56:57,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:56:57,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:56:57,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213029227] [2023-04-02 04:56:57,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213029227] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:56:57,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:56:57,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:56:57,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199054034] [2023-04-02 04:56:57,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:56:57,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:56:57,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:56:57,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:56:57,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:56:57,947 INFO L87 Difference]: Start difference. First operand 7735 states and 11342 transitions. Second operand has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:57:14,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:57:14,651 INFO L93 Difference]: Finished difference Result 28813 states and 43718 transitions. [2023-04-02 04:57:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:57:14,651 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:57:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:57:14,733 INFO L225 Difference]: With dead ends: 28813 [2023-04-02 04:57:14,733 INFO L226 Difference]: Without dead ends: 21806 [2023-04-02 04:57:14,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-04-02 04:57:14,766 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3265 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 8759 mSolverCounterSat, 666 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3318 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 9425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 666 IncrementalHoareTripleChecker+Valid, 8759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:57:14,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3318 Valid, 17 Invalid, 9425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [666 Valid, 8759 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-04-02 04:57:14,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21806 states. [2023-04-02 04:57:18,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21806 to 14248. [2023-04-02 04:57:18,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14248 states, 11445 states have (on average 1.5206640454346876) internal successors, (17404), 11967 states have internal predecessors, (17404), 1595 states have call successors, (1595), 1122 states have call predecessors, (1595), 1207 states have return successors, (1995), 1625 states have call predecessors, (1995), 1592 states have call successors, (1995) [2023-04-02 04:57:18,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14248 states to 14248 states and 20994 transitions. [2023-04-02 04:57:18,920 INFO L78 Accepts]: Start accepts. Automaton has 14248 states and 20994 transitions. Word has length 225 [2023-04-02 04:57:18,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:57:18,920 INFO L495 AbstractCegarLoop]: Abstraction has 14248 states and 20994 transitions. [2023-04-02 04:57:18,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:57:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 14248 states and 20994 transitions. [2023-04-02 04:57:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:57:18,941 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:57:18,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:57:18,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 04:57:18,942 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:57:18,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:57:18,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1931086875, now seen corresponding path program 1 times [2023-04-02 04:57:18,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:57:18,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968266754] [2023-04-02 04:57:18,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:57:18,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:57:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:57:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:57:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:57:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:57:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:57:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:57:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:57:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:57:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:57:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:57:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:57:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:57:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:57:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:57:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:57:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:57:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:57:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:57:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:57:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:57:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:57:19,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:57:19,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968266754] [2023-04-02 04:57:19,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968266754] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:57:19,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:57:19,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:57:19,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990315373] [2023-04-02 04:57:19,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:57:19,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:57:19,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:57:19,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:57:19,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:57:19,509 INFO L87 Difference]: Start difference. First operand 14248 states and 20994 transitions. Second operand has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:57:42,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:57:42,272 INFO L93 Difference]: Finished difference Result 54987 states and 83870 transitions. [2023-04-02 04:57:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:57:42,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:57:42,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:57:42,471 INFO L225 Difference]: With dead ends: 54987 [2023-04-02 04:57:42,472 INFO L226 Difference]: Without dead ends: 41724 [2023-04-02 04:57:42,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-04-02 04:57:42,533 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4185 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 8070 mSolverCounterSat, 844 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4239 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 8914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 844 IncrementalHoareTripleChecker+Valid, 8070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:57:42,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4239 Valid, 16 Invalid, 8914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [844 Valid, 8070 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-04-02 04:57:42,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41724 states. [2023-04-02 04:57:50,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41724 to 27273. [2023-04-02 04:57:50,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27273 states, 21942 states have (on average 1.5217391304347827) internal successors, (33390), 22912 states have internal predecessors, (33390), 3035 states have call successors, (3035), 2146 states have call predecessors, (3035), 2295 states have return successors, (4017), 3097 states have call predecessors, (4017), 3032 states have call successors, (4017) [2023-04-02 04:57:50,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27273 states to 27273 states and 40442 transitions. [2023-04-02 04:57:50,993 INFO L78 Accepts]: Start accepts. Automaton has 27273 states and 40442 transitions. Word has length 225 [2023-04-02 04:57:50,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:57:50,994 INFO L495 AbstractCegarLoop]: Abstraction has 27273 states and 40442 transitions. [2023-04-02 04:57:50,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:57:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 27273 states and 40442 transitions. [2023-04-02 04:57:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:57:51,034 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:57:51,034 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:57:51,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 04:57:51,035 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:57:51,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:57:51,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1923087901, now seen corresponding path program 1 times [2023-04-02 04:57:51,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:57:51,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149298627] [2023-04-02 04:57:51,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:57:51,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:57:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:57:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:57:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:57:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:57:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:57:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:57:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:57:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:57:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:57:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:57:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:57:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:57:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:57:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:57:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:57:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:57:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:57:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:57:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:57:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:57:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:57:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:57:51,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:57:51,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149298627] [2023-04-02 04:57:51,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149298627] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:57:51,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:57:51,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-02 04:57:51,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915979832] [2023-04-02 04:57:51,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:57:51,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:57:51,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:57:51,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:57:51,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-04-02 04:57:51,621 INFO L87 Difference]: Start difference. First operand 27273 states and 40442 transitions. Second operand has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:58:28,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:58:28,177 INFO L93 Difference]: Finished difference Result 107273 states and 164974 transitions. [2023-04-02 04:58:28,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-04-02 04:58:28,178 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2023-04-02 04:58:28,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:58:28,809 INFO L225 Difference]: With dead ends: 107273 [2023-04-02 04:58:28,810 INFO L226 Difference]: Without dead ends: 81466 [2023-04-02 04:58:28,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-04-02 04:58:28,906 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4875 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 6650 mSolverCounterSat, 1141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4928 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 7791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1141 IncrementalHoareTripleChecker+Valid, 6650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:58:28,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4928 Valid, 16 Invalid, 7791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1141 Valid, 6650 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-04-02 04:58:28,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81466 states. [2023-04-02 04:58:45,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81466 to 53322. [2023-04-02 04:58:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53322 states, 42935 states have (on average 1.5215558402235938) internal successors, (65328), 44801 states have internal predecessors, (65328), 5915 states have call successors, (5915), 4194 states have call predecessors, (5915), 4471 states have return successors, (8547), 6041 states have call predecessors, (8547), 5912 states have call successors, (8547) [2023-04-02 04:58:46,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53322 states to 53322 states and 79790 transitions. [2023-04-02 04:58:46,017 INFO L78 Accepts]: Start accepts. Automaton has 53322 states and 79790 transitions. Word has length 225 [2023-04-02 04:58:46,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:58:46,018 INFO L495 AbstractCegarLoop]: Abstraction has 53322 states and 79790 transitions. [2023-04-02 04:58:46,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.0) internal successors, (180), 5 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-04-02 04:58:46,018 INFO L276 IsEmpty]: Start isEmpty. Operand 53322 states and 79790 transitions. [2023-04-02 04:58:46,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 04:58:46,113 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:58:46,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:58:46,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 04:58:46,114 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:58:46,114 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:58:46,114 INFO L85 PathProgramCache]: Analyzing trace with hash -848116773, now seen corresponding path program 1 times [2023-04-02 04:58:46,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:58:46,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396851179] [2023-04-02 04:58:46,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:58:46,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:58:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:58:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:58:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:58:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 04:58:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 04:58:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-04-02 04:58:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:58:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:58:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-04-02 04:58:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-04-02 04:58:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-04-02 04:58:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-04-02 04:58:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-04-02 04:58:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-04-02 04:58:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-04-02 04:58:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 04:58:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:58:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:58:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:58:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 04:58:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:58:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-02 04:58:46,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:58:46,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396851179] [2023-04-02 04:58:46,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396851179] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:58:46,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:58:46,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 04:58:46,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89561617] [2023-04-02 04:58:46,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:58:46,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 04:58:46,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:58:46,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 04:58:46,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-04-02 04:58:46,666 INFO L87 Difference]: Start difference. First operand 53322 states and 79790 transitions. Second operand has 10 states, 10 states have (on average 18.0) internal successors, (180), 6 states have internal predecessors, (180), 3 states have call successors, (25), 7 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20)