/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:22:21,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:22:21,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:22:21,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:22:21,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:22:21,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:22:21,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:22:21,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:22:21,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:22:21,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:22:21,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:22:21,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:22:21,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:22:21,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:22:21,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:22:21,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:22:21,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:22:21,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:22:21,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:22:21,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:22:21,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:22:21,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:22:21,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:22:21,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:22:21,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:22:21,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:22:21,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:22:21,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:22:21,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:22:21,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:22:21,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:22:21,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:22:21,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:22:21,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:22:21,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:22:21,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:22:21,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:22:21,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:22:21,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:22:21,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:22:21,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:22:21,353 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:22:21,379 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:22:21,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:22:21,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:22:21,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:22:21,381 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:22:21,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:22:21,382 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:22:21,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:22:21,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:22:21,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:22:21,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:22:21,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:22:21,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:22:21,383 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:22:21,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:22:21,384 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:22:21,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:22:21,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:22:21,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:22:21,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:22:21,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:22:21,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:22:21,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:22:21,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:22:21,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:22:21,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:22:21,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:22:21,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:22:21,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:22:21,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:22:21,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:22:21,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:22:21,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:22:21,898 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:22:21,899 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:22:21,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c [2020-10-27 21:22:22,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bafd766ca/4eeecb1dcde04aca89b22756ee82773e/FLAG283cb2c28 [2020-10-27 21:22:22,821 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:22:22,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c [2020-10-27 21:22:22,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bafd766ca/4eeecb1dcde04aca89b22756ee82773e/FLAG283cb2c28 [2020-10-27 21:22:23,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bafd766ca/4eeecb1dcde04aca89b22756ee82773e [2020-10-27 21:22:23,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:22:23,069 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:22:23,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:22:23,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:22:23,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:22:23,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:22:23" (1/1) ... [2020-10-27 21:22:23,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf859b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:23, skipping insertion in model container [2020-10-27 21:22:23,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:22:23" (1/1) ... [2020-10-27 21:22:23,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:22:23,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:22:23,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:22:23,824 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:22:23,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:22:24,113 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:22:24,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:24 WrapperNode [2020-10-27 21:22:24,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:22:24,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:22:24,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:22:24,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:22:24,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:24" (1/1) ... [2020-10-27 21:22:24,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:24" (1/1) ... [2020-10-27 21:22:24,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:24" (1/1) ... [2020-10-27 21:22:24,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:24" (1/1) ... [2020-10-27 21:22:24,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:24" (1/1) ... [2020-10-27 21:22:24,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:24" (1/1) ... [2020-10-27 21:22:24,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:24" (1/1) ... [2020-10-27 21:22:24,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:22:24,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:22:24,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:22:24,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:22:24,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:22:24,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:22:24,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:22:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:22:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:22:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:22:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 21:22:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:22:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:22:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2020-10-27 21:22:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:22:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:22:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 21:22:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 21:22:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2020-10-27 21:22:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:22:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:22:24,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:22:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:22:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:22:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:22:24,410 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:22:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:22:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:22:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 21:22:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 21:22:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 21:22:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:22:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:22:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:22:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:22:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:22:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:22:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 21:22:24,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2020-10-27 21:22:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-27 21:22:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:22:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 21:22:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:22:24,413 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:22:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:22:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:22:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:22:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:22:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:22:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:22:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:22:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:22:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:22:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:22:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:22:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:22:24,415 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:22:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:22:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:22:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:22:24,416 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:22:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:22:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:22:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:22:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:22:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:22:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:22:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:22:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:22:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 21:22:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:22:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:22:24,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:22:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:22:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:22:24,419 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:22:24,420 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:22:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:22:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:22:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:22:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:22:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:22:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:22:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:22:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:22:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:22:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:22:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:22:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:22:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:22:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:22:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:22:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:22:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:22:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:22:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:22:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:22:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:22:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:22:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:22:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:22:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:22:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:22:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:22:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:22:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:22:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:22:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:22:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:22:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:22:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:22:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:22:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:22:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:22:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:22:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:22:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:22:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:22:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:22:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:22:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:22:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:22:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:22:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:22:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:22:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:22:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:22:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:22:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:22:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:22:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:22:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 21:22:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:22:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:22:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:22:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:22:24,436 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:22:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:22:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:22:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:22:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:22:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:22:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:22:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:22:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:22:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:22:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:22:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:22:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:22:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:22:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:22:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:22:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:22:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:22:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:22:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:22:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:22:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:22:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:22:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:22:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:22:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:22:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:22:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:22:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:22:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 21:22:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 21:22:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 21:22:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:22:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2020-10-27 21:22:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 21:22:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 21:22:24,452 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2020-10-27 21:22:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:22:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:22:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:22:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:22:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:22:24,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:22:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:22:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:22:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:22:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:22:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:22:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:22:24,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:22:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:22:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:22:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:22:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:22:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:22:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 21:22:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2020-10-27 21:22:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-27 21:22:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 21:22:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:22:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:22:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:22:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:22:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 21:22:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:22:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:22:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:22:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:22:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:22:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:22:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:22:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:22:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:22:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:22:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:22:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:22:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:22:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:22:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:22:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:22:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:22:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:22:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:22:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:22:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:22:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:22:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:22:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:22:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:22:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:22:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:22:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:22:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:22:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:22:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:22:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:22:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:22:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:22:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:22:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:22:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:22:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:22:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:22:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:22:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:22:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:22:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:22:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:22:24,463 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:22:24,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:22:26,957 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:22:26,957 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:22:26,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:22:26 BoogieIcfgContainer [2020-10-27 21:22:26,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:22:26,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:22:26,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:22:26,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:22:26,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:22:23" (1/3) ... [2020-10-27 21:22:26,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36eb3fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:22:26, skipping insertion in model container [2020-10-27 21:22:26,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:24" (2/3) ... [2020-10-27 21:22:26,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36eb3fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:22:26, skipping insertion in model container [2020-10-27 21:22:26,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:22:26" (3/3) ... [2020-10-27 21:22:26,974 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product31.cil.c [2020-10-27 21:22:26,986 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:22:26,992 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:22:27,007 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:22:27,039 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:22:27,039 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:22:27,039 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:22:27,039 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:22:27,039 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:22:27,039 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:22:27,039 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:22:27,040 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:22:27,071 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states. [2020-10-27 21:22:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-27 21:22:27,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:22:27,095 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:22:27,096 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:22:27,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:22:27,102 INFO L82 PathProgramCache]: Analyzing trace with hash 460097667, now seen corresponding path program 1 times [2020-10-27 21:22:27,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:22:27,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410755850] [2020-10-27 21:22:27,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:22:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:27,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:27,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:28,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:28,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:28,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:32,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:32,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 21:22:32,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:22:32,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-27 21:22:32,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:22:32,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:32,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 21:22:34,996 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:22:34,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:22:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:35,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:35,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:35,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:22:35,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:35,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 21:22:35,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:35,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:35,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:22:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:35,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:35,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:35,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:22:35,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:35,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:35,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:35,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:35,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:22:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:35,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:35,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:35,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:22:35,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:35,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:35,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:35,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:35,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:35,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:35,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:35,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:22:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:35,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:35,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:35,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:22:35,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:35,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:35,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:35,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:35,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:35,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:35,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:35,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:22:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:35,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:35,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:35,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:35,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:36,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:22:40,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:22:40,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 21:22:40,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:22:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:22:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:22:40,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:40,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:22:40,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:40,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:22:40,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:40,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:40,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:40,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:40,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:22:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:40,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:22:40,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:40,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:22:40,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:40,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:40,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:40,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:40,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:22:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:40,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:22:40,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-27 21:22:40,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:22:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:22:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:22:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:40,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:22:40,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:22:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 21:22:40,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:40,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:22:40,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:40,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 21:22:40,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:22:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:22:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:22:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:22:40,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:22:40,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:22:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:40,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:40,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:22:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:40,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:40,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:22:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:22:40,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:22:40,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:22:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:40,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:40,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:22:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:40,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:40,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:40,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 21:22:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:40,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:40,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:40,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:22:40,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:40,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:40,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:40,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:40,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:22:40,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:40,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:22:40,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:22:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:41,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:41,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:41,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:41,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:41,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:41,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:41,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:41,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:22:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:41,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:41,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:41,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:41,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:41,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:41,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:41,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:41,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 21:22:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:41,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:41,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:41,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:41,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:41,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:22:41,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:41,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:41,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:41,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:41,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:22:41,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410755850] [2020-10-27 21:22:41,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:22:41,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 21:22:41,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491798070] [2020-10-27 21:22:41,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 21:22:41,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:22:41,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 21:22:41,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 21:22:41,202 INFO L87 Difference]: Start difference. First operand 562 states. Second operand 16 states. [2020-10-27 21:22:45,753 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:22:49,327 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 21:22:51,615 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 21:22:54,238 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 21:23:17,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:23:17,723 INFO L93 Difference]: Finished difference Result 1573 states and 2356 transitions. [2020-10-27 21:23:17,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 21:23:17,725 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2020-10-27 21:23:17,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:23:17,760 INFO L225 Difference]: With dead ends: 1573 [2020-10-27 21:23:17,760 INFO L226 Difference]: Without dead ends: 922 [2020-10-27 21:23:17,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1705 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=1042, Invalid=4070, Unknown=0, NotChecked=0, Total=5112 [2020-10-27 21:23:17,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2020-10-27 21:23:18,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 550. [2020-10-27 21:23:18,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-10-27 21:23:18,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 727 transitions. [2020-10-27 21:23:18,221 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 727 transitions. Word has length 159 [2020-10-27 21:23:18,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:23:18,222 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 727 transitions. [2020-10-27 21:23:18,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 21:23:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 727 transitions. [2020-10-27 21:23:18,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 21:23:18,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:23:18,239 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:23:18,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:23:18,240 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:23:18,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:23:18,241 INFO L82 PathProgramCache]: Analyzing trace with hash 595645023, now seen corresponding path program 1 times [2020-10-27 21:23:18,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:23:18,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216551801] [2020-10-27 21:23:18,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:23:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:18,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:18,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:18,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:18,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:18,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:19,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:20,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:23,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:23,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 21:23:23,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:23:23,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-27 21:23:23,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:23:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:23:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:23:23,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:25,618 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:23:25,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:23:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:25,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:25,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:25,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:23:25,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:25,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 21:23:25,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:25,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:25,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:25,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:25,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:25,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:23:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:25,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:25,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:25,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:23:25,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:25,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:25,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:25,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:25,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:25,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:25,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:25,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:23:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:25,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:25,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:25,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:23:25,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:25,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:25,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:25,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:25,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:23:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:25,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:25,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:25,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:23:25,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:25,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:25,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:25,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:25,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:25,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:25,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:25,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:23:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:25,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:25,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:25,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:25,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:27,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:27,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:27,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:30,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:30,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:23:30,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:23:30,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 21:23:30,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:23:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:23:30,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:23:30,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:30,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:30,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:30,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:30,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:23:30,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:30,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:23:30,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:30,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:30,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:30,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:30,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:30,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:30,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:30,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:30,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:23:30,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:30,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:30,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:30,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:30,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:30,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:30,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:30,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:30,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:30,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:30,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:30,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:30,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:23:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:30,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:30,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:30,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:30,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:30,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:30,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:30,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:30,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:30,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:30,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:30,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:23:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:30,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:30,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:30,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:23:30,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:30,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:23:30,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:30,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:30,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:30,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:30,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:30,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:30,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:30,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:30,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:23:30,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:30,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:30,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:30,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:30,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:30,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:30,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:30,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:30,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:30,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:30,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:30,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:30,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:23:30,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:30,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:30,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:30,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:23:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:30,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:30,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:30,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:30,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:30,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:30,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:30,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:30,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:30,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:30,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:30,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:23:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:30,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:30,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:23:31,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:23:31,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 21:23:31,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:23:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:23:31,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:23:31,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:31,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:23:31,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 21:23:31,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:23:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:31,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:23:31,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:31,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:31,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:23:31,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:23:31,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:31,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:23:31,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:31,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:23:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:23:31,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:23:31,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 21:23:31,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:23:31,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:23:31,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:23:31,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:23:31,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:23:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:23:31,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 21:23:31,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:31,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:23:31,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:31,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:31,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:31,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:31,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:31,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:31,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:23:31,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:23:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:31,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:31,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:31,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:31,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:23:31,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:23:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:23:31,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:23:31,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:31,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:23:31,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:31,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:31,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:31,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:31,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:31,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:31,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:31,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:31,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:23:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:31,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 21:23:31,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:31,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:31,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:31,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:31,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:23:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:23:31,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:31,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:31,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:23:31,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:31,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:31,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:23:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:31,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:31,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:31,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:31,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:23:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:31,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:31,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:31,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:31,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:31,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:31,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 21:23:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:31,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:31,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:31,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:31,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:31,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:31,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:31,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:31,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:31,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:31,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:23:31,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216551801] [2020-10-27 21:23:31,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:23:31,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:23:31,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808600059] [2020-10-27 21:23:31,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:23:31,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:23:31,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:23:31,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:23:31,890 INFO L87 Difference]: Start difference. First operand 550 states and 727 transitions. Second operand 19 states. [2020-10-27 21:23:36,211 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 578 [2020-10-27 21:23:39,122 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 584 [2020-10-27 21:23:41,636 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 588 [2020-10-27 21:23:45,120 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:23:48,787 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:24:09,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:24:09,957 INFO L93 Difference]: Finished difference Result 1414 states and 1998 transitions. [2020-10-27 21:24:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 21:24:09,958 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 161 [2020-10-27 21:24:09,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:24:09,968 INFO L225 Difference]: With dead ends: 1414 [2020-10-27 21:24:09,968 INFO L226 Difference]: Without dead ends: 927 [2020-10-27 21:24:09,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=365, Invalid=1357, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 21:24:09,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2020-10-27 21:24:10,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 552. [2020-10-27 21:24:10,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-10-27 21:24:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 728 transitions. [2020-10-27 21:24:10,286 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 728 transitions. Word has length 161 [2020-10-27 21:24:10,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:24:10,287 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 728 transitions. [2020-10-27 21:24:10,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:24:10,287 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 728 transitions. [2020-10-27 21:24:10,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-27 21:24:10,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:24:10,291 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:24:10,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:24:10,292 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:24:10,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:24:10,292 INFO L82 PathProgramCache]: Analyzing trace with hash -418776560, now seen corresponding path program 1 times [2020-10-27 21:24:10,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:24:10,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [976896690] [2020-10-27 21:24:10,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:24:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:10,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:10,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:10,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:10,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:10,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:11,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:15,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:15,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-27 21:24:15,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:24:15,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-27 21:24:15,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:15,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:24:15,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:24:15,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:24:15,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:17,585 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:24:17,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:24:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:17,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:17,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:17,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:24:17,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 21:24:17,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:17,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:24:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:17,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:17,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:17,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:24:17,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:17,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:24:17,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:17,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:17,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:17,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:17,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:17,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:24:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:17,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:17,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:17,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:24:17,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:17,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:24:17,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:17,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:17,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:17,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:24:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:17,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:17,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:17,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:24:17,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:17,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:24:17,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:17,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:17,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:17,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:17,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:24:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:17,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:17,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:17,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:17,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:18,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:22,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:22,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:24:22,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:24:22,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 21:24:22,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:24:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:24:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:24:22,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:22,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:22,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:22,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:22,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:24:22,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:22,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:24:22,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:22,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:22,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:22,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:22,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:22,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:22,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:22,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:22,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:24:22,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:22,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:24:22,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:22,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:22,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:22,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:22,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:22,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:22,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:22,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:22,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:22,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:22,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:22,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:22,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:22,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:24:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:22,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:22,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:22,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:22,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:22,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:24:22,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:22,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:22,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:22,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:24:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:22,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:22,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:22,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:24:22,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:22,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:24:22,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:22,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:22,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:22,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:22,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:22,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:22,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:24:22,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:22,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:24:22,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:22,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:22,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:22,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:22,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:22,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:22,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:22,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:22,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:22,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:22,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:24:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:23,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:24:23,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:23,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:24:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:24:23,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:24:23,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 21:24:23,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:24:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:24:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:24:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:24:23,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:24:23,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:24:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:24:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:24:23,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:24:23,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:24:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:24:23,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:24:23,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:24:23,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:23,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:24:23,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 21:24:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:24:23,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:24:23,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:24:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:23,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:23,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:23,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:24:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:23,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:23,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:23,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 21:24:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:24:23,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:24:23,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:24:23,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:23,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:23,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:24:23,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:23,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:24:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:23,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:23,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:24:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:24:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:24:23,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:24:23,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:24:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 21:24:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:23,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:24:23,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:24:23,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 21:24:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:23,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:24:23,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:24:23,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 21:24:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:23,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:23,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:23,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:23,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:23,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:23,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:23,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:24:23,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:23,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:23,573 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:24:23,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [976896690] [2020-10-27 21:24:23,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:24:23,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 21:24:23,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295811483] [2020-10-27 21:24:23,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:24:23,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:24:23,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:24:23,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:24:23,578 INFO L87 Difference]: Start difference. First operand 552 states and 728 transitions. Second operand 18 states. [2020-10-27 21:24:27,998 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:24:31,249 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 21:24:33,440 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 21:24:36,101 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 21:24:38,898 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 21:24:41,259 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 21:25:04,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:25:04,501 INFO L93 Difference]: Finished difference Result 1472 states and 2100 transitions. [2020-10-27 21:25:04,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-27 21:25:04,502 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 168 [2020-10-27 21:25:04,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:25:04,511 INFO L225 Difference]: With dead ends: 1472 [2020-10-27 21:25:04,511 INFO L226 Difference]: Without dead ends: 986 [2020-10-27 21:25:04,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=570, Invalid=1980, Unknown=0, NotChecked=0, Total=2550 [2020-10-27 21:25:04,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2020-10-27 21:25:04,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 595. [2020-10-27 21:25:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-10-27 21:25:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 802 transitions. [2020-10-27 21:25:04,758 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 802 transitions. Word has length 168 [2020-10-27 21:25:04,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:25:04,758 INFO L481 AbstractCegarLoop]: Abstraction has 595 states and 802 transitions. [2020-10-27 21:25:04,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:25:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 802 transitions. [2020-10-27 21:25:04,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-27 21:25:04,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:25:04,763 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:25:04,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:25:04,763 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:25:04,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:25:04,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1654493287, now seen corresponding path program 1 times [2020-10-27 21:25:04,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:25:04,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581592423] [2020-10-27 21:25:04,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:25:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:04,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:04,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:04,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:05,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:05,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:05,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:07,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:07,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:07,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:07,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:07,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:07,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:07,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:07,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:08,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:08,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:09,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:09,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-27 21:25:09,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 21:25:09,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 21:25:09,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:25:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 21:25:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:25:09,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:12,031 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:25:12,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:25:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:12,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:12,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:12,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:25:12,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:12,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 21:25:12,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:12,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:12,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:12,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:12,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:12,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:25:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:12,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:12,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:12,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:25:12,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:12,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:25:12,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:12,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:12,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:12,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:12,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:25:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:12,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:12,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:12,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:25:12,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:25:12,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:12,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:12,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:12,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:12,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:12,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:25:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:12,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:12,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:12,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:25:12,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:12,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:25:12,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:12,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:25:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:12,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:12,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:12,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:12,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:13,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:13,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 21:25:17,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:25:17,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:25:17,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:25:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:25:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:25:17,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:25:17,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:25:17,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:25:17,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:25:17,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:17,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:25:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:17,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:25:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:25:17,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:25:17,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:25:17,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:17,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:25:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:17,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:25:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:25:17,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:25:17,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 21:25:17,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:25:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:25:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:25:17,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:25:17,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:25:17,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:25:17,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:25:17,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:25:17,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:25:17,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:25:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:25:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:25:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:25:17,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:25:17,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:25:17,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:25:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:25:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:25:17,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 21:25:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:25:17,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:25:17,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:25:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:17,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:25:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:17,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 21:25:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:25:17,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:25:17,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:25:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:17,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:25:17,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:17,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:25:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:17,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:25:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:25:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:25:17,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:25:17,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 21:25:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:17,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:25:17,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 21:25:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:17,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:25:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 21:25:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:17,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:17,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:17,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:17,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:17,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:17,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:17,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:25:17,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:17,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:25:17,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581592423] [2020-10-27 21:25:17,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:25:17,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:25:17,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725115865] [2020-10-27 21:25:17,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:25:17,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:25:17,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:25:17,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:25:17,882 INFO L87 Difference]: Start difference. First operand 595 states and 802 transitions. Second operand 19 states. [2020-10-27 21:25:22,318 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 578 [2020-10-27 21:25:25,097 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 21:25:27,584 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 21:25:30,762 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:25:34,158 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:25:59,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:25:59,004 INFO L93 Difference]: Finished difference Result 1647 states and 2421 transitions. [2020-10-27 21:25:59,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 21:25:59,005 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 175 [2020-10-27 21:25:59,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:25:59,014 INFO L225 Difference]: With dead ends: 1647 [2020-10-27 21:25:59,014 INFO L226 Difference]: Without dead ends: 1115 [2020-10-27 21:25:59,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=400, Invalid=1492, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 21:25:59,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2020-10-27 21:25:59,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 639. [2020-10-27 21:25:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-10-27 21:25:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 874 transitions. [2020-10-27 21:25:59,295 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 874 transitions. Word has length 175 [2020-10-27 21:25:59,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:25:59,295 INFO L481 AbstractCegarLoop]: Abstraction has 639 states and 874 transitions. [2020-10-27 21:25:59,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:25:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 874 transitions. [2020-10-27 21:25:59,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 21:25:59,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:25:59,300 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:25:59,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:25:59,300 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:25:59,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:25:59,301 INFO L82 PathProgramCache]: Analyzing trace with hash 624122992, now seen corresponding path program 1 times [2020-10-27 21:25:59,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:25:59,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198089638] [2020-10-27 21:25:59,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:25:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:59,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:59,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:59,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:59,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:59,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:59,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:26:00,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking...