/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_spec9_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:33:36,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:33:36,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:33:36,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:33:36,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:33:36,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:33:36,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:33:36,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:33:36,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:33:36,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:33:36,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:33:36,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:33:36,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:33:36,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:33:36,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:33:36,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:33:36,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:33:36,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:33:36,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:33:36,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:33:36,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:33:36,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:33:36,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:33:36,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:33:36,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:33:36,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:33:36,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:33:36,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:33:36,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:33:36,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:33:36,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:33:36,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:33:36,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:33:36,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:33:36,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:33:36,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:33:36,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:33:36,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:33:36,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:33:36,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:33:36,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:33:36,485 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 [2020-10-28 16:33:36,542 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:33:36,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:33:36,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:33:36,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:33:36,544 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:33:36,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:33:36,545 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:33:36,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:33:36,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:33:36,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:33:36,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:33:36,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:33:36,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:33:36,548 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:33:36,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:33:36,548 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:33:36,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:33:36,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:33:36,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:33:36,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:33:36,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:33:36,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:33:36,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:33:36,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:33:36,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:33:36,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:33:36,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:33:36,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:33:36,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:33:36,551 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:33:36,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:33:37,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:33:37,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:33:37,033 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:33:37,034 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:33:37,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c [2020-10-28 16:33:37,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fe18b029/51f8a2da0205484f819313d0311ae982/FLAG0b49d4211 [2020-10-28 16:33:37,989 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:33:37,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec9_product16.cil.c [2020-10-28 16:33:38,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fe18b029/51f8a2da0205484f819313d0311ae982/FLAG0b49d4211 [2020-10-28 16:33:38,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fe18b029/51f8a2da0205484f819313d0311ae982 [2020-10-28 16:33:38,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:33:38,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:33:38,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:33:38,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:33:38,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:33:38,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:33:38" (1/1) ... [2020-10-28 16:33:38,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f021b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:33:38, skipping insertion in model container [2020-10-28 16:33:38,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:33:38" (1/1) ... [2020-10-28 16:33:38,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:33:38,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:33:38,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:33:39,006 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:33:39,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:33:39,271 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:33:39,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:33:39 WrapperNode [2020-10-28 16:33:39,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:33:39,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:33:39,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:33:39,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:33:39,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:33:39" (1/1) ... [2020-10-28 16:33:39,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:33:39" (1/1) ... [2020-10-28 16:33:39,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:33:39" (1/1) ... [2020-10-28 16:33:39,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:33:39" (1/1) ... [2020-10-28 16:33:39,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:33:39" (1/1) ... [2020-10-28 16:33:39,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:33:39" (1/1) ... [2020-10-28 16:33:39,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:33:39" (1/1) ... [2020-10-28 16:33:39,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:33:39,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:33:39,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:33:39,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:33:39,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:33:39" (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 [2020-10-28 16:33:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:33:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:33:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:33:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:33:39,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2020-10-28 16:33:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2020-10-28 16:33:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-28 16:33:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-28 16:33:39,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-28 16:33:39,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-28 16:33:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-28 16:33:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-28 16:33:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-28 16:33:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:33:39,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:33:39,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:33:39,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:33:39,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:33:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:33:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-28 16:33:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-28 16:33:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-28 16:33:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-28 16:33:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-28 16:33:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-28 16:33:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-28 16:33:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-28 16:33:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-28 16:33:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-28 16:33:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-28 16:33:39,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-28 16:33:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-28 16:33:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-28 16:33:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-28 16:33:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-28 16:33:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-28 16:33:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-28 16:33:39,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-28 16:33:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-28 16:33:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-28 16:33:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-28 16:33:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-28 16:33:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-28 16:33:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-28 16:33:39,566 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-28 16:33:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-28 16:33:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-28 16:33:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-28 16:33:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-28 16:33:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-28 16:33:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-28 16:33:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-28 16:33:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-28 16:33:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-28 16:33:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-28 16:33:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-28 16:33:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:33:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:33:39,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-28 16:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-28 16:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-28 16:33:39,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-28 16:33:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-28 16:33:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-28 16:33:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-28 16:33:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-28 16:33:39,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:33:39,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:33:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-28 16:33:39,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-28 16:33:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-28 16:33:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-28 16:33:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-28 16:33:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-28 16:33:39,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-28 16:33:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-28 16:33:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-28 16:33:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-28 16:33:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-28 16:33:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-28 16:33:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-28 16:33:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-28 16:33:39,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-28 16:33:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-28 16:33:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-28 16:33:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-28 16:33:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-28 16:33:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-28 16:33:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-28 16:33:39,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-28 16:33:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-28 16:33:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-28 16:33:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-28 16:33:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-28 16:33:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-28 16:33:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-28 16:33:39,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-28 16:33:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-28 16:33:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-28 16:33:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-28 16:33:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-28 16:33:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-28 16:33:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-28 16:33:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-28 16:33:39,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-28 16:33:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-28 16:33:39,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-28 16:33:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:33:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:33:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:33:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:33:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:33:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:33:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-28 16:33:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:33:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-28 16:33:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2020-10-28 16:33:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2020-10-28 16:33:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-28 16:33:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-28 16:33:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-28 16:33:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-28 16:33:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-28 16:33:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-28 16:33:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-28 16:33:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-28 16:33:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-28 16:33:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-28 16:33:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-28 16:33:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-28 16:33:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-28 16:33:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:33:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:33:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:33:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:33:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:33:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:33:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:33:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:33:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:33:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:33:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:33:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:33:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:33:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:33:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:33:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-28 16:33:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-28 16:33:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-28 16:33:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-28 16:33:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-28 16:33:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-28 16:33:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-28 16:33:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-28 16:33:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-28 16:33:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-28 16:33:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-28 16:33:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-28 16:33:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-28 16:33:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-28 16:33:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-28 16:33:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-28 16:33:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-28 16:33:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-28 16:33:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-28 16:33:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-28 16:33:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-28 16:33:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-28 16:33:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-28 16:33:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-28 16:33:39,605 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-28 16:33:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-28 16:33:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-28 16:33:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-28 16:33:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-28 16:33:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-28 16:33:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-28 16:33:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-28 16:33:39,606 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-28 16:33:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-28 16:33:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-28 16:33:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-28 16:33:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:33:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:33:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:33:39,607 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:33:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-28 16:33:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-28 16:33:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-28 16:33:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-28 16:33:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-28 16:33:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-28 16:33:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-28 16:33:39,608 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-28 16:33:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-28 16:33:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:33:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-28 16:33:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-28 16:33:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-28 16:33:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-28 16:33:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-28 16:33:39,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-28 16:33:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-28 16:33:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-28 16:33:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-28 16:33:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-28 16:33:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-28 16:33:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:33:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:33:39,610 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-28 16:33:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-28 16:33:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-28 16:33:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-28 16:33:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-28 16:33:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-28 16:33:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-28 16:33:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-28 16:33:39,611 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-28 16:33:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-28 16:33:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-28 16:33:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-28 16:33:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-28 16:33:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-28 16:33:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-28 16:33:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-28 16:33:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-28 16:33:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-28 16:33:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-28 16:33:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-28 16:33:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-28 16:33:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:33:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:33:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:33:42,167 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:33:42,168 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 16:33:42,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:33:42 BoogieIcfgContainer [2020-10-28 16:33:42,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:33:42,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:33:42,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:33:42,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:33:42,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:33:38" (1/3) ... [2020-10-28 16:33:42,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbdcfa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:33:42, skipping insertion in model container [2020-10-28 16:33:42,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:33:39" (2/3) ... [2020-10-28 16:33:42,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbdcfa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:33:42, skipping insertion in model container [2020-10-28 16:33:42,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:33:42" (3/3) ... [2020-10-28 16:33:42,179 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product16.cil.c [2020-10-28 16:33:42,192 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:33:42,198 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:33:42,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:33:42,245 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:33:42,245 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:33:42,245 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:33:42,246 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:33:42,246 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:33:42,246 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:33:42,246 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:33:42,246 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:33:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states. [2020-10-28 16:33:42,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 16:33:42,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:33:42,301 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] [2020-10-28 16:33:42,302 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]=== [2020-10-28 16:33:42,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:33:42,309 INFO L82 PathProgramCache]: Analyzing trace with hash 412393287, now seen corresponding path program 1 times [2020-10-28 16:33:42,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:33:42,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749467849] [2020-10-28 16:33:42,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:33:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:42,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:43,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:43,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:45,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:45,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:47,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:48,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:48,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 16:33:48,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:33:48,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5373 [2020-10-28 16:33:48,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:48,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:48,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:48,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-28 16:33:48,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:48,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:33:50,787 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:33:50,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:33:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:50,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:50,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:50,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:33:50,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:50,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 16:33:50,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:50,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:50,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:50,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:50,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:33:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:50,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:50,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:50,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:33:50,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:50,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:50,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:50,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:50,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:50,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:50,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:50,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:33:50,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:33:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:50,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:50,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:50,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:33:50,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:50,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:50,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:50,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:50,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:50,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:50,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:50,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:33:50,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:33:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:50,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:50,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:50,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:33:50,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:50,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:33:50,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:50,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:50,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:50,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:33:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:51,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:51,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:51,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:51,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:52,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:33:56,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:33:56,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 16:33:56,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:33:56,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:33:56,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:33:56,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:33:56,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:33:56,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:56,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:33:56,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:33:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:56,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:33:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:33:56,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:33:56,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:33:56,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:33:56,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:33:56,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:33:56,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:33:56,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:33:56,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:33:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:56,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:33:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:33:56,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:33:56,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:33:56,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:33:56,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:33:56,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:56,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:33:56,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:33:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:33:56,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:33:56,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 16:33:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:33:56,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:33:56,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:33:56,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:56,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:33:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:56,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:56,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 16:33:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:56,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:33:56,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 16:33:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:33:56,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:33:56,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:33:56,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 16:33:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:56,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:33:56,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-28 16:33:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:56,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:33:56,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 16:33:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:56,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:56,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:56,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:56,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:56,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:56,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:56,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:56,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:56,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:33:56,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:56,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:33:56,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749467849] [2020-10-28 16:33:56,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:33:56,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 16:33:56,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326984097] [2020-10-28 16:33:56,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 16:33:56,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:33:56,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 16:33:56,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:33:56,495 INFO L87 Difference]: Start difference. First operand 484 states. Second operand 10 states. [2020-10-28 16:34:14,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:34:14,460 INFO L93 Difference]: Finished difference Result 1042 states and 1512 transitions. [2020-10-28 16:34:14,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 16:34:14,462 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-28 16:34:14,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:34:14,488 INFO L225 Difference]: With dead ends: 1042 [2020-10-28 16:34:14,488 INFO L226 Difference]: Without dead ends: 725 [2020-10-28 16:34:14,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-10-28 16:34:14,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2020-10-28 16:34:14,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 458. [2020-10-28 16:34:14,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-28 16:34:14,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 606 transitions. [2020-10-28 16:34:14,858 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 606 transitions. Word has length 146 [2020-10-28 16:34:14,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:34:14,859 INFO L481 AbstractCegarLoop]: Abstraction has 458 states and 606 transitions. [2020-10-28 16:34:14,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 16:34:14,860 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 606 transitions. [2020-10-28 16:34:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-28 16:34:14,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:34:14,881 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] [2020-10-28 16:34:14,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:34:14,882 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]=== [2020-10-28 16:34:14,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:34:14,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1654300733, now seen corresponding path program 1 times [2020-10-28 16:34:14,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:34:14,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692672841] [2020-10-28 16:34:14,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:34:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:15,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:15,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:15,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:15,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:15,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:19,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:19,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-28 16:34:19,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:34:19,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 16:34:19,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:19,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:34:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:34:19,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:34:19,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:22,247 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:34:22,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:34:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:22,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:22,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:22,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:34:22,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:22,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 16:34:22,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:22,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:22,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:22,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:34:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:22,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:22,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:22,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:34:22,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:22,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:34:22,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:22,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:22,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:22,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:22,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:22,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:34:22,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:34:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:22,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:22,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:22,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:34:22,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:22,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:34:22,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:22,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:22,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:22,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:22,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:34:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:22,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:22,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:22,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:34:22,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:22,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:34:22,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:22,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:22,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:22,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:22,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:22,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:22,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:34:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:22,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:22,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:22,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:22,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:23,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:34:27,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:34:27,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:34:27,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:34:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:34:27,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:34:27,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:34:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:34:27,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:34:27,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:34:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:34:27,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:34:27,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:34:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:34:27,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:34:27,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:34:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:34:27,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:34:27,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:34:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:34:27,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:34:27,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:34:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:34:27,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:34:27,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:34:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:34:27,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:34:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:34:27,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:34:27,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:34:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:34:27,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:34:27,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:34:27,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:34:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:34:27,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:34:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:34:27,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:34:27,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 16:34:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:34:27,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:34:27,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:34:27,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:34:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:34:27,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:34:27,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:34:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:34:27,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 16:34:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:34:27,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:34:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 16:34:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:34:27,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:34:27,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:34:27,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 16:34:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:34:27,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:34:27,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 16:34:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:34:27,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:34:27,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 16:34:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:27,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:27,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:27,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:34:27,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:27,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:34:27,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:27,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:34:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:27,884 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:34:27,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692672841] [2020-10-28 16:34:27,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:34:27,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:34:27,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115595411] [2020-10-28 16:34:27,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:34:27,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:34:27,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:34:27,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:34:27,891 INFO L87 Difference]: Start difference. First operand 458 states and 606 transitions. Second operand 11 states. [2020-10-28 16:34:34,032 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:34:48,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:34:48,227 INFO L93 Difference]: Finished difference Result 954 states and 1342 transitions. [2020-10-28 16:34:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:34:48,236 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-28 16:34:48,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:34:48,251 INFO L225 Difference]: With dead ends: 954 [2020-10-28 16:34:48,252 INFO L226 Difference]: Without dead ends: 728 [2020-10-28 16:34:48,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2020-10-28 16:34:48,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-10-28 16:34:48,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 460. [2020-10-28 16:34:48,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-28 16:34:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 608 transitions. [2020-10-28 16:34:48,542 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 608 transitions. Word has length 147 [2020-10-28 16:34:48,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:34:48,544 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 608 transitions. [2020-10-28 16:34:48,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:34:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 608 transitions. [2020-10-28 16:34:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-28 16:34:48,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:34:48,551 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:34:48,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:34:48,551 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]=== [2020-10-28 16:34:48,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:34:48,552 INFO L82 PathProgramCache]: Analyzing trace with hash -255687439, now seen corresponding path program 1 times [2020-10-28 16:34:48,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:34:48,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548015739] [2020-10-28 16:34:48,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:34:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:48,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:48,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:48,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:48,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:48,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:49,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:53,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:53,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 16:34:53,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:34:53,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-28 16:34:53,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:53,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:53,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:34:53,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:34:53,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 16:34:53,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:55,860 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:34:55,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:34:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:55,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:55,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:55,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:34:55,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:55,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 16:34:55,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:55,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:55,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:55,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:55,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:55,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:34:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:55,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:55,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:55,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:34:55,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:55,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:34:55,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:55,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:55,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:55,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:55,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:55,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:34:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:55,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:55,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:55,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:34:55,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:55,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:34:55,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:55,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:55,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:55,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:55,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:55,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:55,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:34:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:55,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:55,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:34:55,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:34:55,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:34:55,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:34:55,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:34:55,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:34:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:34:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:34:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:34:55,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:34:55,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:34:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:34:55,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:55,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:56,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:56,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:34:56,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:35:00,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:35:00,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4695 [2020-10-28 16:35:00,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:35:00,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:35:00,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:35:00,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:35:00,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:00,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:00,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:35:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:00,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:00,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:35:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:35:00,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:35:00,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:35:00,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:35:00,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:00,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:00,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:35:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:00,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:00,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:35:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:35:00,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:35:00,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:35:00,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:35:00,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:35:00,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:00,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:00,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:35:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:00,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:00,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 16:35:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:35:00,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:35:00,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:35:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:00,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:35:00,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:35:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:00,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:00,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 16:35:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:00,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:35:00,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:35:00,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 16:35:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:00,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:00,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:00,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:35:00,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:00,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:00,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:35:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:00,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 16:35:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:01,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:01,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:01,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:01,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:01,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:35:01,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:01,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:35:01,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:01,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:01,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:35:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:01,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:01,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:01,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:01,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:01,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:01,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:01,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:01,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:35:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:01,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:01,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-28 16:35:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:01,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:01,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:01,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:01,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:01,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:01,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:01,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:35:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:35:01,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548015739] [2020-10-28 16:35:01,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:35:01,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 16:35:01,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818316709] [2020-10-28 16:35:01,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 16:35:01,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:35:01,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 16:35:01,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:35:01,068 INFO L87 Difference]: Start difference. First operand 460 states and 608 transitions. Second operand 12 states. [2020-10-28 16:35:06,318 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:35:08,570 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:35:23,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:35:23,521 INFO L93 Difference]: Finished difference Result 1013 states and 1443 transitions. [2020-10-28 16:35:23,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:35:23,523 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 153 [2020-10-28 16:35:23,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:35:23,531 INFO L225 Difference]: With dead ends: 1013 [2020-10-28 16:35:23,531 INFO L226 Difference]: Without dead ends: 787 [2020-10-28 16:35:23,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2020-10-28 16:35:23,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-10-28 16:35:23,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 503. [2020-10-28 16:35:23,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-10-28 16:35:23,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 682 transitions. [2020-10-28 16:35:23,835 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 682 transitions. Word has length 153 [2020-10-28 16:35:23,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:35:23,838 INFO L481 AbstractCegarLoop]: Abstraction has 503 states and 682 transitions. [2020-10-28 16:35:23,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 16:35:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 682 transitions. [2020-10-28 16:35:23,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 16:35:23,843 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:35:23,843 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 16:35:23,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:35:23,844 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]=== [2020-10-28 16:35:23,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:35:23,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1146163877, now seen corresponding path program 2 times [2020-10-28 16:35:23,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:35:23,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459392484] [2020-10-28 16:35:23,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:35:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:23,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:24,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:24,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:24,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:24,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:24,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:28,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:28,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:28,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:28,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-28 16:35:28,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 16:35:28,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 16:35:28,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:28,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:28,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:35:28,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:35:28,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:35:28,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:31,202 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:35:31,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:35:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:31,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:31,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:31,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:35:31,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:31,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 16:35:31,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:31,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:31,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:31,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:31,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:31,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:31,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:35:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:31,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:31,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:31,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:35:31,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:31,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:35:31,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:31,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:31,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:31,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:31,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:31,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:31,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:35:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:31,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:31,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:31,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:35:31,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:31,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:35:31,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:31,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:31,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:31,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:31,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:31,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:31,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:35:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:31,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:31,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:31,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:35:31,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:31,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:35:31,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:31,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:31,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:31,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:31,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:31,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:31,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:35:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:31,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:31,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:31,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:31,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:32,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:35:36,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:35:36,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4994 [2020-10-28 16:35:36,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:35:36,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:35:36,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:35:36,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:35:36,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:35:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:35:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:35:36,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:35:36,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:35:36,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:35:36,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:35:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:35:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:35:36,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:35:36,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:35:36,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:35:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:35:36,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 16:35:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:35:36,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:35:36,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:35:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:35:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:35:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:35:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 16:35:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:35:36,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:35:36,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 16:35:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:35:36,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:35:36,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:35:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:35:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 16:35:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:35:36,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 16:35:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:36,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:36,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:35:36,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:35:36,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:35:36,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:35:36,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:35:36,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:35:36,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:35:36,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:35:36,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:35:36,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:35:36,680 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-28 16:35:36,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459392484] [2020-10-28 16:35:36,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:35:36,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:35:36,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751248986] [2020-10-28 16:35:36,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:35:36,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:35:36,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:35:36,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:35:36,683 INFO L87 Difference]: Start difference. First operand 503 states and 682 transitions. Second operand 11 states. [2020-10-28 16:35:41,867 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:35:56,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:35:56,440 INFO L93 Difference]: Finished difference Result 1343 states and 1996 transitions. [2020-10-28 16:35:56,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:35:56,443 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-10-28 16:35:56,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:35:56,450 INFO L225 Difference]: With dead ends: 1343 [2020-10-28 16:35:56,450 INFO L226 Difference]: Without dead ends: 910 [2020-10-28 16:35:56,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:35:56,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-10-28 16:35:56,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 545. [2020-10-28 16:35:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-10-28 16:35:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 752 transitions. [2020-10-28 16:35:56,690 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 752 transitions. Word has length 159 [2020-10-28 16:35:56,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:35:56,691 INFO L481 AbstractCegarLoop]: Abstraction has 545 states and 752 transitions. [2020-10-28 16:35:56,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:35:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 752 transitions. [2020-10-28 16:35:56,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-28 16:35:56,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:35:56,695 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, 1] [2020-10-28 16:35:56,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:35:56,696 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]=== [2020-10-28 16:35:56,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:35:56,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1718865126, now seen corresponding path program 1 times [2020-10-28 16:35:56,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:35:56,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1499988035] [2020-10-28 16:35:56,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:35:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:35:56,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:56,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:56,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:56,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:57,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:57,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:58,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:58,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:58,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:58,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:58,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:59,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:59,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:35:59,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:01,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:01,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-28 16:36:01,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 16:36:01,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 16:36:01,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:01,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:36:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:36:01,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 16:36:01,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:04,002 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:36:04,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:36:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:04,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:04,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:04,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:36:04,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:04,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 16:36:04,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:04,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:04,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:04,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:04,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:36:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:04,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:04,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:04,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:36:04,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:04,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:36:04,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:04,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:04,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:04,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:04,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:04,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:04,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:36:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:04,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:04,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:04,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:36:04,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:04,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:36:04,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:04,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:04,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:04,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:04,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:04,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:04,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:36:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:04,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:04,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:04,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:36:04,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:04,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:36:04,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:04,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:04,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:04,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:04,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:36:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:04,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:04,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:04,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:04,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:04,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:08,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:08,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:36:08,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:36:08,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4782 [2020-10-28 16:36:08,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:08,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:08,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:08,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:08,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:08,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:08,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:08,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:36:08,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:08,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:36:08,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:08,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:08,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:08,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:08,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:08,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:08,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:08,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:36:08,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:08,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:36:08,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:08,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:08,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:08,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:08,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:08,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:08,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:08,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:08,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:08,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:08,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:08,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:08,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:36:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:09,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:36:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:36:09,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:36:09,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:36:09,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:36:09,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:09,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:09,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:36:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:09,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:36:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:36:09,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:36:09,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:36:09,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:36:09,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:09,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:09,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:09,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:36:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:09,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 16:36:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:36:09,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:36:09,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:36:09,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:09,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:09,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:36:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:09,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 16:36:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:09,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:36:09,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 16:36:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:36:09,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:36:09,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 16:36:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:09,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:36:09,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-28 16:36:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:09,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:36:09,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-28 16:36:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:09,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:09,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:09,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:09,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:09,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:09,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:09,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:09,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:09,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:36:09,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:09,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:09,286 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:36:09,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1499988035] [2020-10-28 16:36:09,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:36:09,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:36:09,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338229694] [2020-10-28 16:36:09,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:36:09,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:36:09,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:36:09,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:36:09,289 INFO L87 Difference]: Start difference. First operand 545 states and 752 transitions. Second operand 11 states. [2020-10-28 16:36:15,588 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:36:32,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:36:32,409 INFO L93 Difference]: Finished difference Result 1371 states and 2124 transitions. [2020-10-28 16:36:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:36:32,410 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-28 16:36:32,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:36:32,419 INFO L225 Difference]: With dead ends: 1371 [2020-10-28 16:36:32,419 INFO L226 Difference]: Without dead ends: 1145 [2020-10-28 16:36:32,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:36:32,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2020-10-28 16:36:32,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 624. [2020-10-28 16:36:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-28 16:36:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 885 transitions. [2020-10-28 16:36:32,697 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 885 transitions. Word has length 160 [2020-10-28 16:36:32,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:36:32,698 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 885 transitions. [2020-10-28 16:36:32,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:36:32,698 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 885 transitions. [2020-10-28 16:36:32,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-28 16:36:32,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:36:32,702 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 16:36:32,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:36:32,702 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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]=== [2020-10-28 16:36:32,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:36:32,703 INFO L82 PathProgramCache]: Analyzing trace with hash -491322307, now seen corresponding path program 1 times [2020-10-28 16:36:32,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:36:32,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1158842758] [2020-10-28 16:36:32,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:36:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:32,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:32,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:32,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:32,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:33,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:33,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:37,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:37,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-28 16:36:37,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:36:37,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 16:36:37,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:37,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:36:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-28 16:36:37,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:36:37,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:40,053 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:36:40,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:36:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:40,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:40,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:40,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:36:40,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:40,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 16:36:40,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:40,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:40,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:40,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:36:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:40,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:40,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:40,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:36:40,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:36:40,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:40,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:40,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:40,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:36:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:40,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:40,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:40,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:36:40,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:36:40,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:40,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:40,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:36:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:40,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:40,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:40,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:36:40,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:40,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:36:40,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:40,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:40,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:36:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:40,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:40,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:40,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:40,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:40,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:36:44,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:36:44,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4640 [2020-10-28 16:36:44,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:44,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:44,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:36:44,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:44,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:36:44,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:44,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:44,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:36:44,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:44,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:36:44,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:44,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:44,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:44,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:44,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:44,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:36:44,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:36:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:44,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:44,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:44,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:44,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:44,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:36:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:44,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:36:44,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:44,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:36:44,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:44,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:44,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:36:44,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:44,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:36:44,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:44,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:44,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:44,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:44,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:44,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:44,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:36:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:44,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:44,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:44,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:44,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:44,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:36:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:44,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:36:44,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:44,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:36:44,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:44,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:44,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:36:44,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:44,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:36:44,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:44,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:44,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:44,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:44,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:44,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:44,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:44,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:44,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:45,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:36:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:45,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:45,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:45,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:45,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:45,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:45,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:45,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:45,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:45,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:45,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 16:36:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:45,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:45,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:45,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:36:45,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:45,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:36:45,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:45,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:45,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:45,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:36:45,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:45,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:45,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:36:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:45,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:45,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:45,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:45,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:45,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:45,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:45,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:45,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:45,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:45,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:45,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:45,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:36:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:45,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:45,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:45,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:45,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:45,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:45,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:45,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:45,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:45,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:36:45,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:45,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:45,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 16:36:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:45,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:45,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:45,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:45,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:45,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:45,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:45,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:45,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:36:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:45,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:45,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 16:36:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:45,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:45,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:45,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:36:45,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:45,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:45,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:45,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:36:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:45,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:45,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 16:36:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:45,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:45,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:45,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:45,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:45,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:45,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:45,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:45,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:36:45,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:45,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:45,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 16:36:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:45,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:45,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:45,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:45,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:45,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:45,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:45,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:45,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:45,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:36:45,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:45,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:45,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 16:36:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:36:45,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:36:45,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:36:45,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:36:45,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:36:45,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:36:45,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:36:45,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:36:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:36:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:36:45,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:36:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:36:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:36:45,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1158842758] [2020-10-28 16:36:45,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:36:45,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:36:45,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291883448] [2020-10-28 16:36:45,207 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:36:45,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:36:45,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:36:45,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:36:45,208 INFO L87 Difference]: Start difference. First operand 624 states and 885 transitions. Second operand 11 states. [2020-10-28 16:36:52,123 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:37:09,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:37:09,746 INFO L93 Difference]: Finished difference Result 2127 states and 3473 transitions. [2020-10-28 16:37:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:37:09,747 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2020-10-28 16:37:09,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:37:09,758 INFO L225 Difference]: With dead ends: 2127 [2020-10-28 16:37:09,759 INFO L226 Difference]: Without dead ends: 1615 [2020-10-28 16:37:09,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:37:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2020-10-28 16:37:10,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 782. [2020-10-28 16:37:10,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2020-10-28 16:37:10,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1151 transitions. [2020-10-28 16:37:10,312 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1151 transitions. Word has length 161 [2020-10-28 16:37:10,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:37:10,313 INFO L481 AbstractCegarLoop]: Abstraction has 782 states and 1151 transitions. [2020-10-28 16:37:10,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:37:10,313 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1151 transitions. [2020-10-28 16:37:10,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-28 16:37:10,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:37:10,318 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, 1, 1] [2020-10-28 16:37:10,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:37:10,318 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-10-28 16:37:10,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:37:10,318 INFO L82 PathProgramCache]: Analyzing trace with hash -116619798, now seen corresponding path program 1 times [2020-10-28 16:37:10,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:37:10,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1861447537] [2020-10-28 16:37:10,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:37:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:10,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:10,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:10,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:10,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:10,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:10,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:10,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:11,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:11,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:11,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:12,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:12,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:12,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:15,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:15,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-28 16:37:15,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 16:37:15,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 16:37:15,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:15,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:15,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:15,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:37:15,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 16:37:15,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:17,698 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:37:17,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:37:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:17,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:17,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:17,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:17,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:17,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 16:37:17,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:17,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:17,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:17,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:17,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:17,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:17,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:37:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:17,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:17,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:17,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:17,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:17,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:37:17,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:17,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:17,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:17,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:17,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:17,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:37:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:17,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:17,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:17,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:17,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:17,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:37:17,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:17,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:17,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:17,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:17,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:17,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:37:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:17,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:17,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:17,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:17,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:17,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:37:17,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:17,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:17,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:17,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:17,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:37:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:17,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:17,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:17,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:17,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:18,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:37:22,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:37:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4451 [2020-10-28 16:37:22,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:37:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:37:22,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:37:22,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:37:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:37:22,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:37:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:37:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:37:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:37:22,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:37:22,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:37:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:37:22,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:37:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:37:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:37:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:37:22,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:37:22,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:37:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:37:22,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:37:22,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:37:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:37:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 16:37:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:37:22,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:37:22,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:37:22,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:37:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:37:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:22,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 16:37:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:37:22,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 16:37:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:37:22,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:22,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:37:22,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 16:37:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:37:22,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:37:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 16:37:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:37:22,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:37:22,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 16:37:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:22,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:22,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:22,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:37:22,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:22,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:37:22,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:22,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:37:22,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:22,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:37:22,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1861447537] [2020-10-28 16:37:22,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:37:22,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:37:22,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534317549] [2020-10-28 16:37:22,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:37:22,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:37:22,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:37:22,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:37:22,543 INFO L87 Difference]: Start difference. First operand 782 states and 1151 transitions. Second operand 11 states.