/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 [2023-03-31 01:26:43,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:26:43,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:26:43,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:26:43,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:26:43,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:26:43,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:26:43,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:26:43,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:26:43,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:26:43,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:26:43,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:26:43,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:26:43,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:26:43,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:26:43,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:26:43,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:26:43,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:26:43,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:26:43,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:26:43,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:26:43,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:26:43,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:26:43,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:26:43,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:26:43,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:26:43,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:26:43,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:26:43,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:26:43,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:26:43,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:26:43,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:26:43,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:26:43,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:26:43,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:26:43,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:26:43,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:26:43,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:26:43,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:26:43,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:26:43,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:26:43,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 01:26:43,488 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:26:43,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:26:43,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:26:43,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:26:43,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:26:43,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:26:43,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:26:43,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:26:43,490 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:26:43,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:26:43,490 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:26:43,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:26:43,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:26:43,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:26:43,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:26:43,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:26:43,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:26:43,490 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:26:43,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:26:43,491 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:26:43,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:26:43,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:26:43,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:26:43,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:26:43,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:26:43,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:26:43,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:26:43,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:26:43,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:26:43,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:26:43,491 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:26:43,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:26:43,492 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:26:43,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:26:43,492 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:26:43,492 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:26:43,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:26:43,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:26:43,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:26:43,651 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:26:43,651 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:26:43,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/transmitter.11.cil.c [2023-03-31 01:26:44,713 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:26:44,908 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:26:44,909 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/transmitter.11.cil.c [2023-03-31 01:26:44,917 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac12b13c2/a05a9e54e7914821b3f9bbfb2d779f37/FLAG0f1feeff6 [2023-03-31 01:26:44,942 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac12b13c2/a05a9e54e7914821b3f9bbfb2d779f37 [2023-03-31 01:26:44,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:26:44,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:26:44,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:26:44,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:26:44,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:26:44,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:26:44" (1/1) ... [2023-03-31 01:26:44,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e0dc63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:44, skipping insertion in model container [2023-03-31 01:26:44,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:26:44" (1/1) ... [2023-03-31 01:26:44,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:26:44,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:26:45,093 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] [2023-03-31 01:26:45,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:26:45,186 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:26:45,193 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] [2023-03-31 01:26:45,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:26:45,240 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:26:45,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:45 WrapperNode [2023-03-31 01:26:45,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:26:45,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:26:45,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:26:45,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:26:45,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:45" (1/1) ... [2023-03-31 01:26:45,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:45" (1/1) ... [2023-03-31 01:26:45,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:45" (1/1) ... [2023-03-31 01:26:45,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:45" (1/1) ... [2023-03-31 01:26:45,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:45" (1/1) ... [2023-03-31 01:26:45,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:45" (1/1) ... [2023-03-31 01:26:45,294 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:45" (1/1) ... [2023-03-31 01:26:45,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:45" (1/1) ... [2023-03-31 01:26:45,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:26:45,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:26:45,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:26:45,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:26:45,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:45" (1/1) ... [2023-03-31 01:26:45,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:26:45,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:26:45,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 01:26:45,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 01:26:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:26:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:26:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2023-03-31 01:26:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2023-03-31 01:26:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2023-03-31 01:26:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2023-03-31 01:26:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2023-03-31 01:26:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2023-03-31 01:26:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:26:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:26:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:26:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:26:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:26:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:26:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-03-31 01:26:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2023-03-31 01:26:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2023-03-31 01:26:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2023-03-31 01:26:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2023-03-31 01:26:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2023-03-31 01:26:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2023-03-31 01:26:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2023-03-31 01:26:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2023-03-31 01:26:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2023-03-31 01:26:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2023-03-31 01:26:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2023-03-31 01:26:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2023-03-31 01:26:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-03-31 01:26:45,366 INFO L130 BoogieDeclarations]: Found specification of procedure master [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2023-03-31 01:26:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:26:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:26:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:26:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:26:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:26:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:26:45,449 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:26:45,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:26:46,019 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:26:46,027 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:26:46,028 INFO L302 CfgBuilder]: Removed 15 assume(true) statements. [2023-03-31 01:26:46,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:26:46 BoogieIcfgContainer [2023-03-31 01:26:46,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:26:46,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:26:46,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:26:46,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:26:46,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:26:44" (1/3) ... [2023-03-31 01:26:46,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74feae8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:26:46, skipping insertion in model container [2023-03-31 01:26:46,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:26:45" (2/3) ... [2023-03-31 01:26:46,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74feae8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:26:46, skipping insertion in model container [2023-03-31 01:26:46,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:26:46" (3/3) ... [2023-03-31 01:26:46,036 INFO L112 eAbstractionObserver]: Analyzing ICFG transmitter.11.cil.c [2023-03-31 01:26:46,048 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:26:46,048 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:26:46,102 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:26:46,108 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;@51bd7989, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:26:46,109 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:26:46,114 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) [2023-03-31 01:26:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-03-31 01:26:46,133 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:46,134 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] [2023-03-31 01:26:46,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:46,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:46,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1043481236, now seen corresponding path program 1 times [2023-03-31 01:26:46,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:46,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599963187] [2023-03-31 01:26:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:46,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:26:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:26:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:26:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 01:26:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-03-31 01:26:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 01:26:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-03-31 01:26:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:26:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:46,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:26:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:47,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:26:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:47,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 01:26:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:47,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:47,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599963187] [2023-03-31 01:26:47,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599963187] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:47,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:47,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:26:47,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242404817] [2023-03-31 01:26:47,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:47,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:26:47,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:47,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:26:47,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:26:47,040 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) [2023-03-31 01:26:51,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:51,151 INFO L93 Difference]: Finished difference Result 1139 states and 1864 transitions. [2023-03-31 01:26:51,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-03-31 01:26:51,159 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 [2023-03-31 01:26:51,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:51,172 INFO L225 Difference]: With dead ends: 1139 [2023-03-31 01:26:51,172 INFO L226 Difference]: Without dead ends: 706 [2023-03-31 01:26:51,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2023-03-31 01:26:51,179 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1777 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2909 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 3317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 2909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:51,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1777 Valid, 33 Invalid, 3317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 2909 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-03-31 01:26:51,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-03-31 01:26:51,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 430. [2023-03-31 01:26:51,407 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) [2023-03-31 01:26:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 626 transitions. [2023-03-31 01:26:51,412 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 626 transitions. Word has length 225 [2023-03-31 01:26:51,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:51,413 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 626 transitions. [2023-03-31 01:26:51,413 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) [2023-03-31 01:26:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 626 transitions. [2023-03-31 01:26:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-03-31 01:26:51,432 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:51,432 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] [2023-03-31 01:26:51,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:26:51,433 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:51,434 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:51,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1898020694, now seen corresponding path program 1 times [2023-03-31 01:26:51,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:51,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177691227] [2023-03-31 01:26:51,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:51,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:26:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:26:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:26:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 01:26:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-03-31 01:26:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 01:26:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-03-31 01:26:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:26:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:26:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:26:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 01:26:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:51,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:51,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177691227] [2023-03-31 01:26:51,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177691227] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:51,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:51,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:26:51,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745351872] [2023-03-31 01:26:51,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:51,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:26:51,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:51,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:26:51,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:26:51,776 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) [2023-03-31 01:26:55,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:26:55,687 INFO L93 Difference]: Finished difference Result 1110 states and 1686 transitions. [2023-03-31 01:26:55,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 01:26:55,688 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 [2023-03-31 01:26:55,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:26:55,691 INFO L225 Difference]: With dead ends: 1110 [2023-03-31 01:26:55,692 INFO L226 Difference]: Without dead ends: 706 [2023-03-31 01:26:55,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-03-31 01:26:55,694 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2305 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2591 mSolverCounterSat, 561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 3.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:26:55,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2305 Valid, 14 Invalid, 3152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [561 Valid, 2591 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-03-31 01:26:55,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-03-31 01:26:55,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 430. [2023-03-31 01:26:55,812 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) [2023-03-31 01:26:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 625 transitions. [2023-03-31 01:26:55,816 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 625 transitions. Word has length 225 [2023-03-31 01:26:55,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:26:55,816 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 625 transitions. [2023-03-31 01:26:55,816 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) [2023-03-31 01:26:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 625 transitions. [2023-03-31 01:26:55,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-03-31 01:26:55,819 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:26:55,819 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] [2023-03-31 01:26:55,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:26:55,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:26:55,820 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:26:55,820 INFO L85 PathProgramCache]: Analyzing trace with hash -466444776, now seen corresponding path program 1 times [2023-03-31 01:26:55,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:26:55,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092280237] [2023-03-31 01:26:55,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:26:55,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:26:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:26:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:26:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:26:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:26:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:26:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:26:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:26:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:26:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:26:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:26:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:26:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:26:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 01:26:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-03-31 01:26:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 01:26:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-03-31 01:26:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:26:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:26:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:26:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 01:26:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:26:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:26:56,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:26:56,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092280237] [2023-03-31 01:26:56,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092280237] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:26:56,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:26:56,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:26:56,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297264468] [2023-03-31 01:26:56,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:26:56,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:26:56,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:26:56,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:26:56,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:26:56,540 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) [2023-03-31 01:27:02,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:27:02,122 INFO L93 Difference]: Finished difference Result 1755 states and 2728 transitions. [2023-03-31 01:27:02,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-03-31 01:27:02,122 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 [2023-03-31 01:27:02,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:27:02,129 INFO L225 Difference]: With dead ends: 1755 [2023-03-31 01:27:02,129 INFO L226 Difference]: Without dead ends: 1354 [2023-03-31 01:27:02,134 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 [2023-03-31 01:27:02,137 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3367 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 3775 mSolverCounterSat, 677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:27:02,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3419 Valid, 15 Invalid, 4452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 3775 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-03-31 01:27:02,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2023-03-31 01:27:02,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 843. [2023-03-31 01:27:02,351 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) [2023-03-31 01:27:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1239 transitions. [2023-03-31 01:27:02,354 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1239 transitions. Word has length 225 [2023-03-31 01:27:02,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:27:02,354 INFO L495 AbstractCegarLoop]: Abstraction has 843 states and 1239 transitions. [2023-03-31 01:27:02,354 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) [2023-03-31 01:27:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1239 transitions. [2023-03-31 01:27:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-03-31 01:27:02,357 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:27:02,357 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] [2023-03-31 01:27:02,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:27:02,357 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:27:02,358 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:27:02,358 INFO L85 PathProgramCache]: Analyzing trace with hash 480345813, now seen corresponding path program 1 times [2023-03-31 01:27:02,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:27:02,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499147547] [2023-03-31 01:27:02,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:27:02,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:27:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:27:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:27:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:27:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:27:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:27:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:27:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:27:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:27:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:27:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:27:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:27:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:27:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 01:27:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-03-31 01:27:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 01:27:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-03-31 01:27:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:27:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:27:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:27:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 01:27:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:02,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:27:02,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:27:02,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499147547] [2023-03-31 01:27:02,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499147547] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:27:02,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:27:02,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:27:02,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107359707] [2023-03-31 01:27:02,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:27:02,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:27:02,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:27:02,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:27:02,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:27:02,865 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) [2023-03-31 01:27:06,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:27:06,339 INFO L93 Difference]: Finished difference Result 2137 states and 3248 transitions. [2023-03-31 01:27:06,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:27:06,339 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 [2023-03-31 01:27:06,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:27:06,344 INFO L225 Difference]: With dead ends: 2137 [2023-03-31 01:27:06,344 INFO L226 Difference]: Without dead ends: 1323 [2023-03-31 01:27:06,346 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 [2023-03-31 01:27:06,355 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2888 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:27:06,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2888 Valid, 17 Invalid, 3050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [724 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-03-31 01:27:06,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2023-03-31 01:27:06,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 843. [2023-03-31 01:27:06,540 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) [2023-03-31 01:27:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1232 transitions. [2023-03-31 01:27:06,542 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1232 transitions. Word has length 225 [2023-03-31 01:27:06,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:27:06,542 INFO L495 AbstractCegarLoop]: Abstraction has 843 states and 1232 transitions. [2023-03-31 01:27:06,542 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) [2023-03-31 01:27:06,542 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1232 transitions. [2023-03-31 01:27:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-03-31 01:27:06,544 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:27:06,544 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] [2023-03-31 01:27:06,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:27:06,544 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:27:06,545 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:27:06,545 INFO L85 PathProgramCache]: Analyzing trace with hash -213452455, now seen corresponding path program 1 times [2023-03-31 01:27:06,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:27:06,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938200341] [2023-03-31 01:27:06,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:27:06,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:27:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:06,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:27:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:27:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:06,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:27:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:27:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:06,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:27:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:27:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:27:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:27:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:27:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:27:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:27:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:27:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 01:27:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-03-31 01:27:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 01:27:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-03-31 01:27:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:27:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:27:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:27:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 01:27:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:27:07,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:27:07,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938200341] [2023-03-31 01:27:07,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938200341] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:27:07,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:27:07,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 01:27:07,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758869921] [2023-03-31 01:27:07,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:27:07,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:27:07,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:27:07,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:27:07,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:27:07,061 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) [2023-03-31 01:27:17,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:27:17,300 INFO L93 Difference]: Finished difference Result 3838 states and 5820 transitions. [2023-03-31 01:27:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:27:17,300 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 [2023-03-31 01:27:17,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:27:17,311 INFO L225 Difference]: With dead ends: 3838 [2023-03-31 01:27:17,311 INFO L226 Difference]: Without dead ends: 3024 [2023-03-31 01:27:17,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=153, Invalid=447, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:27:17,313 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3709 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 7772 mSolverCounterSat, 737 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3763 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 8509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 737 IncrementalHoareTripleChecker+Valid, 7772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:27:17,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3763 Valid, 17 Invalid, 8509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [737 Valid, 7772 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-03-31 01:27:17,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3024 states. [2023-03-31 01:27:17,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3024 to 2032. [2023-03-31 01:27:17,812 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) [2023-03-31 01:27:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2954 transitions. [2023-03-31 01:27:17,817 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2954 transitions. Word has length 225 [2023-03-31 01:27:17,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:27:17,817 INFO L495 AbstractCegarLoop]: Abstraction has 2032 states and 2954 transitions. [2023-03-31 01:27:17,817 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) [2023-03-31 01:27:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2954 transitions. [2023-03-31 01:27:17,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-03-31 01:27:17,820 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:27:17,820 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] [2023-03-31 01:27:17,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:27:17,820 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:27:17,820 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:27:17,820 INFO L85 PathProgramCache]: Analyzing trace with hash 273621271, now seen corresponding path program 1 times [2023-03-31 01:27:17,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:27:17,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585212422] [2023-03-31 01:27:17,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:27:17,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:27:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:27:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:27:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:27:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:27:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:27:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:27:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:27:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:27:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:27:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:27:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:27:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:27:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 01:27:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-03-31 01:27:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 01:27:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-03-31 01:27:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:27:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:27:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:27:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 01:27:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:27:18,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:27:18,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585212422] [2023-03-31 01:27:18,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585212422] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:27:18,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:27:18,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:27:18,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173187515] [2023-03-31 01:27:18,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:27:18,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:27:18,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:27:18,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:27:18,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:27:18,312 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) [2023-03-31 01:27:22,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:27:22,149 INFO L93 Difference]: Finished difference Result 4444 states and 6647 transitions. [2023-03-31 01:27:22,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:27:22,149 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 [2023-03-31 01:27:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:27:22,159 INFO L225 Difference]: With dead ends: 4444 [2023-03-31 01:27:22,159 INFO L226 Difference]: Without dead ends: 2869 [2023-03-31 01:27:22,163 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 [2023-03-31 01:27:22,164 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3561 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 2315 mSolverCounterSat, 876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:27:22,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3561 Valid, 16 Invalid, 3191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [876 Valid, 2315 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-03-31 01:27:22,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2869 states. [2023-03-31 01:27:22,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2869 to 2030. [2023-03-31 01:27:22,750 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) [2023-03-31 01:27:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 2030 states and 2939 transitions. [2023-03-31 01:27:22,755 INFO L78 Accepts]: Start accepts. Automaton has 2030 states and 2939 transitions. Word has length 225 [2023-03-31 01:27:22,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:27:22,756 INFO L495 AbstractCegarLoop]: Abstraction has 2030 states and 2939 transitions. [2023-03-31 01:27:22,756 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) [2023-03-31 01:27:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2939 transitions. [2023-03-31 01:27:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-03-31 01:27:22,758 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:27:22,759 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] [2023-03-31 01:27:22,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 01:27:22,759 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:27:22,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:27:22,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1067881317, now seen corresponding path program 1 times [2023-03-31 01:27:22,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:27:22,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861205858] [2023-03-31 01:27:22,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:27:22,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:27:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:27:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:27:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:27:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:27:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:27:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:27:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:27:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:27:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:27:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:27:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:27:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:27:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 01:27:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-03-31 01:27:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 01:27:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-03-31 01:27:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:27:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:27:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:27:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 01:27:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:27:23,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:27:23,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861205858] [2023-03-31 01:27:23,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861205858] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:27:23,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:27:23,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 01:27:23,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714122441] [2023-03-31 01:27:23,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:27:23,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:27:23,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:27:23,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:27:23,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:27:23,255 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) [2023-03-31 01:27:33,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:27:33,280 INFO L93 Difference]: Finished difference Result 5869 states and 8852 transitions. [2023-03-31 01:27:33,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:27:33,289 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 [2023-03-31 01:27:33,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:27:33,325 INFO L225 Difference]: With dead ends: 5869 [2023-03-31 01:27:33,325 INFO L226 Difference]: Without dead ends: 4316 [2023-03-31 01:27:33,345 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 [2023-03-31 01:27:33,345 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4142 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 8158 mSolverCounterSat, 866 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4196 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 9024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 866 IncrementalHoareTripleChecker+Valid, 8158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:27:33,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4196 Valid, 16 Invalid, 9024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [866 Valid, 8158 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-03-31 01:27:33,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4316 states. [2023-03-31 01:27:34,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4316 to 2849. [2023-03-31 01:27:34,165 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) [2023-03-31 01:27:34,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 4142 transitions. [2023-03-31 01:27:34,172 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 4142 transitions. Word has length 225 [2023-03-31 01:27:34,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:27:34,172 INFO L495 AbstractCegarLoop]: Abstraction has 2849 states and 4142 transitions. [2023-03-31 01:27:34,172 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) [2023-03-31 01:27:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 4142 transitions. [2023-03-31 01:27:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-03-31 01:27:34,176 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:27:34,176 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] [2023-03-31 01:27:34,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 01:27:34,176 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:27:34,176 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:27:34,177 INFO L85 PathProgramCache]: Analyzing trace with hash -944599651, now seen corresponding path program 1 times [2023-03-31 01:27:34,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:27:34,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317032683] [2023-03-31 01:27:34,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:27:34,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:27:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:27:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:27:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:27:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:27:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:27:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:27:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:27:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:27:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:27:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:27:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:27:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:27:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 01:27:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-03-31 01:27:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 01:27:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-03-31 01:27:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:27:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:27:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:27:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 01:27:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:27:34,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:27:34,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317032683] [2023-03-31 01:27:34,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317032683] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:27:34,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:27:34,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 01:27:34,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850911116] [2023-03-31 01:27:34,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:27:34,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:27:34,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:27:34,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:27:34,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:27:34,696 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) [2023-03-31 01:27:45,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:27:45,287 INFO L93 Difference]: Finished difference Result 9153 states and 13818 transitions. [2023-03-31 01:27:45,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:27:45,288 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 [2023-03-31 01:27:45,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:27:45,309 INFO L225 Difference]: With dead ends: 9153 [2023-03-31 01:27:45,309 INFO L226 Difference]: Without dead ends: 6822 [2023-03-31 01:27:45,315 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 [2023-03-31 01:27:45,315 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 3676 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 8227 mSolverCounterSat, 777 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3730 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 9004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 777 IncrementalHoareTripleChecker+Valid, 8227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:27:45,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3730 Valid, 16 Invalid, 9004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [777 Valid, 8227 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-03-31 01:27:45,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6822 states. [2023-03-31 01:27:46,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6822 to 4478. [2023-03-31 01:27:46,597 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) [2023-03-31 01:27:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4478 states to 4478 states and 6538 transitions. [2023-03-31 01:27:46,608 INFO L78 Accepts]: Start accepts. Automaton has 4478 states and 6538 transitions. Word has length 225 [2023-03-31 01:27:46,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:27:46,608 INFO L495 AbstractCegarLoop]: Abstraction has 4478 states and 6538 transitions. [2023-03-31 01:27:46,609 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) [2023-03-31 01:27:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 4478 states and 6538 transitions. [2023-03-31 01:27:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-03-31 01:27:46,629 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:27:46,629 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] [2023-03-31 01:27:46,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 01:27:46,629 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:27:46,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:27:46,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1276134491, now seen corresponding path program 1 times [2023-03-31 01:27:46,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:27:46,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005439963] [2023-03-31 01:27:46,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:27:46,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:27:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:46,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:27:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:46,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:27:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:46,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:27:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-03-31 01:27:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-03-31 01:27:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-03-31 01:27:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:27:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:27:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-03-31 01:27:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:27:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:27:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:27:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-03-31 01:27:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-03-31 01:27:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-03-31 01:27:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-03-31 01:27:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 01:27:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 01:27:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:27:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 01:27:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:27:47,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:27:47,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:27:47,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005439963] [2023-03-31 01:27:47,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005439963] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:27:47,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:27:47,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 01:27:47,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195204447] [2023-03-31 01:27:47,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:27:47,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:27:47,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:27:47,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:27:47,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:27:47,116 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)