/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec9_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:54:58,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:54:58,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:54:58,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:54:58,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:54:58,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:54:58,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:54:58,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:54:58,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:54:58,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:54:58,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:54:58,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:54:58,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:54:58,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:54:58,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:54:58,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:54:58,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:54:58,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:54:58,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:54:58,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:54:58,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:54:58,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:54:58,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:54:58,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:54:58,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:54:58,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:54:58,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:54:58,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:54:58,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:54:58,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:54:58,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:54:58,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:54:58,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:54:58,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:54:58,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:54:58,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:54:58,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:54:58,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:54:58,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:54:58,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:54:58,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:54:58,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:54:58,552 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:54:58,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:54:58,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:54:58,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:54:58,557 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:54:58,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:54:58,558 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:54:58,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:54:58,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:54:58,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:54:58,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:54:58,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:54:58,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:54:58,560 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:54:58,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:54:58,560 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:54:58,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:54:58,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:54:58,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:54:58,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:54:58,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:54:58,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:54:58,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:54:58,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:54:58,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:54:58,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:54:58,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:54:58,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:54:58,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:54:58,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:54:58,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:54:58,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:54:58,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:54:59,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:54:59,001 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:54:59,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product30.cil.c [2020-10-27 21:54:59,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c2698c87/243877d30e54434fa470eaa95e67fc5d/FLAG25afa226a [2020-10-27 21:54:59,939 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:54:59,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec9_product30.cil.c [2020-10-27 21:54:59,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c2698c87/243877d30e54434fa470eaa95e67fc5d/FLAG25afa226a [2020-10-27 21:55:00,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c2698c87/243877d30e54434fa470eaa95e67fc5d [2020-10-27 21:55:00,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:55:00,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:55:00,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:55:00,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:55:00,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:55:00,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:55:00" (1/1) ... [2020-10-27 21:55:00,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7052ded9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:00, skipping insertion in model container [2020-10-27 21:55:00,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:55:00" (1/1) ... [2020-10-27 21:55:00,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:55:00,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:55:00,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:55:00,910 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:55:01,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:55:01,191 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:55:01,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:01 WrapperNode [2020-10-27 21:55:01,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:55:01,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:55:01,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:55:01,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:55:01,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:01" (1/1) ... [2020-10-27 21:55:01,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:01" (1/1) ... [2020-10-27 21:55:01,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:01" (1/1) ... [2020-10-27 21:55:01,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:01" (1/1) ... [2020-10-27 21:55:01,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:01" (1/1) ... [2020-10-27 21:55:01,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:01" (1/1) ... [2020-10-27 21:55:01,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:01" (1/1) ... [2020-10-27 21:55:01,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:55:01,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:55:01,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:55:01,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:55:01,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:55:01,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:55:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:55:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:55:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:55:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:55:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:55:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:55:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:55:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:55:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:55:01,460 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:55:01,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:55:01,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:55:01,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:55:01,461 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:55:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:55:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:55:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:55:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:55:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:55:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:55:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:55:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:55:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 21:55:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:55:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:55:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-27 21:55:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:55:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:55:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-27 21:55:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 21:55:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2020-10-27 21:55:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:55:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:55:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:55:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:55:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:55:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:55:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:55:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:55:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:55:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 21:55:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 21:55:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 21:55:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 21:55:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2020-10-27 21:55:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2020-10-27 21:55:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:55:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 21:55:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:55:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:55:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:55:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:55:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:55:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:55:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:55:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:55:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:55:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:55:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:55:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:55:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:55:01,469 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:55:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:55:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:55:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:55:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:55:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:55:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:55:01,470 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:55:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:55:01,471 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:55:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:55:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:55:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:55:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:55:01,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:55:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:55:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:55:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:55:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:55:01,474 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:55:01,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:55:01,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:55:01,489 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:55:01,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:55:01,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2020-10-27 21:55:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2020-10-27 21:55:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:55:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:55:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:55:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:55:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:55:01,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:55:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:55:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:55:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:55:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:55:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:55:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:55:01,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:55:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:55:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:55:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:55:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:55:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:55:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:55:01,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:55:01,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:55:01,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:55:01,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:55:01,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:55:01,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:55:01,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:55:01,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:55:01,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:55:01,496 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:55:01,496 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:55:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:55:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:55:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:55:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:55:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:55:01,497 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:55:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:55:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:55:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:55:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:55:01,498 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:55:01,499 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:55:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:55:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:55:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:55:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:55:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:55:01,503 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:55:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:55:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:55:01,504 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:55:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:55:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:55:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:55:01,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:55:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:55:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:55:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:55:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:55:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:55:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:55:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:55:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:55:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:55:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:55:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:55:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:55:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:55:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:55:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:55:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 21:55:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:55:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:55:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:55:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:55:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:55:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:55:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:55:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:55:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:55:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:55:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:55:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:55:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:55:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:55:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:55:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:55:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:55:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:55:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:55:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:55:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:55:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:55:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:55:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:55:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:55:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:55:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:55:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:55:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:55:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 21:55:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 21:55:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 21:55:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2020-10-27 21:55:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:55:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-27 21:55:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-27 21:55:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 21:55:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2020-10-27 21:55:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2020-10-27 21:55:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:55:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:55:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:55:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:55:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 21:55:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2020-10-27 21:55:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2020-10-27 21:55:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 21:55:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:55:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:55:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:55:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:55:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:55:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:55:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:55:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:55:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:55:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:55:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:55:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:55:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:55:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:55:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:55:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:55:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:55:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:55:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:55:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:55:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:55:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:55:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:55:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:55:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:55:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:55:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:55:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:55:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:55:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:55:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:55:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:55:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:55:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:55:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:55:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:55:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:55:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:55:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:55:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:55:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:55:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:55:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:55:04,077 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:55:04,077 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:55:04,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:55:04 BoogieIcfgContainer [2020-10-27 21:55:04,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:55:04,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:55:04,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:55:04,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:55:04,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:55:00" (1/3) ... [2020-10-27 21:55:04,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bea62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:55:04, skipping insertion in model container [2020-10-27 21:55:04,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:55:01" (2/3) ... [2020-10-27 21:55:04,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bea62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:55:04, skipping insertion in model container [2020-10-27 21:55:04,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:55:04" (3/3) ... [2020-10-27 21:55:04,089 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product30.cil.c [2020-10-27 21:55:04,101 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:55:04,106 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:55:04,120 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:55:04,149 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:55:04,149 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:55:04,150 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:55:04,150 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:55:04,150 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:55:04,150 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:55:04,150 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:55:04,150 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:55:04,179 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states. [2020-10-27 21:55:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-27 21:55:04,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:55:04,201 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:55:04,202 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:55:04,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:55:04,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1580813830, now seen corresponding path program 1 times [2020-10-27 21:55:04,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:55:04,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [464171101] [2020-10-27 21:55:04,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:55:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:04,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:05,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:05,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:05,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:05,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:09,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:09,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 21:55:09,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:55:09,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 21:55:09,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:55:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:09,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:55:12,032 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:55:12,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:55:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:12,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:12,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:12,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:55:12,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:12,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 21:55:12,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:12,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:12,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:55:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:12,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:12,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:12,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:55:12,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:12,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:12,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:12,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:12,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:12,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:12,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:12,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:55:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:12,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:12,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:12,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:55:12,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:12,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:55:12,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:12,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:12,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:12,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:55:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:12,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:12,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:12,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:55:12,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:12,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:55:12,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:12,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:55:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:12,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:12,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:12,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:12,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:13,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:55:17,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:55:17,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 21:55:17,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:55:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:55:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:55:17,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:55:17,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:55:17,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:55:17,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:55:17,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:55:17,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:55:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:17,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:55:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:55:17,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:55:17,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:55:17,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:55:17,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:17,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:55:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:17,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:55:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:55:17,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:55:17,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-27 21:55:17,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:55:17,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:55:17,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:55:17,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:55:17,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:55:17,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:55:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 21:55:17,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:55:17,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:55:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:55:17,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:55:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:55:17,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:55:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:55:17,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:55:17,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:55:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:17,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:55:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:17,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:55:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:55:17,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:55:17,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:55:17,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:55:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:17,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:55:17,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:55:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:55:17,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:55:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 21:55:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:55:17,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:55:17,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:55:17,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:55:17,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:55:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:17,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:55:17,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:55:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:17,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:17,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:17,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:17,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:17,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:17,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:17,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:17,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:55:17,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:17,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:17,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 21:55:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:18,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:18,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:55:18,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:55:18,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:55:18,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:55:18,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:55:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:55:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:55:18,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:55:18,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:55:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:55:18,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [464171101] [2020-10-27 21:55:18,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:55:18,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 21:55:18,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195029580] [2020-10-27 21:55:18,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 21:55:18,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:55:18,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 21:55:18,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 21:55:18,164 INFO L87 Difference]: Start difference. First operand 552 states. Second operand 16 states. [2020-10-27 21:55:23,918 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:55:27,675 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 594 [2020-10-27 21:55:29,914 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 21:55:32,605 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 21:55:59,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:55:59,000 INFO L93 Difference]: Finished difference Result 1467 states and 2188 transitions. [2020-10-27 21:55:59,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 21:55:59,004 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2020-10-27 21:55:59,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:55:59,034 INFO L225 Difference]: With dead ends: 1467 [2020-10-27 21:55:59,035 INFO L226 Difference]: Without dead ends: 858 [2020-10-27 21:55:59,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1694 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=1042, Invalid=4070, Unknown=0, NotChecked=0, Total=5112 [2020-10-27 21:55:59,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-10-27 21:55:59,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 512. [2020-10-27 21:55:59,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-10-27 21:55:59,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 679 transitions. [2020-10-27 21:55:59,442 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 679 transitions. Word has length 159 [2020-10-27 21:55:59,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:55:59,443 INFO L481 AbstractCegarLoop]: Abstraction has 512 states and 679 transitions. [2020-10-27 21:55:59,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 21:55:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 679 transitions. [2020-10-27 21:55:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 21:55:59,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:55:59,449 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:55:59,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:55:59,450 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:55:59,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:55:59,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1967431985, now seen corresponding path program 1 times [2020-10-27 21:55:59,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:55:59,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1321527773] [2020-10-27 21:55:59,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:55:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:55:59,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:59,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:59,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:59,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:55:59,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:00,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:01,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:04,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:04,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 21:56:04,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:56:04,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 21:56:04,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:04,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:56:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:56:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:56:04,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:06,763 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:56:06,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:56:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:06,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:06,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:06,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:56:06,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:06,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 21:56:06,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:06,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:06,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:56:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:06,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:06,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:06,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:56:06,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:06,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:56:06,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:06,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:06,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:06,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:06,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:06,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:56:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:06,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:06,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:06,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:56:06,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:06,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:56:06,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:06,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:06,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:06,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:56:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:06,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:06,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:06,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:56:06,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:06,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:56:06,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:06,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:06,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:06,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:06,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:06,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:56:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:06,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:06,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:06,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:06,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:08,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:08,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:08,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:11,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:11,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:56:11,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:56:11,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:56:11,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:11,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:56:11,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:56:11,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:56:11,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:11,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:11,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:11,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:11,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:56:11,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:11,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:56:11,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:11,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:11,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:11,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:11,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:11,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:11,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:11,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:11,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:56:11,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:11,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:56:11,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:11,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:11,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:11,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:11,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:11,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:11,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:12,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:12,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:56:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:12,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:56:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:56:12,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:56:12,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:12,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:56:12,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:56:12,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:12,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:56:12,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:56:12,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:12,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:56:12,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:56:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:56:12,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:56:12,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:56:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:56:12,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:56:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 21:56:12,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:56:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:56:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:56:12,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:56:12,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:56:12,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 21:56:12,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:56:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:56:12,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:56:12,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:56:12,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:56:12,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:56:12,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:56:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:56:12,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:56:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 21:56:12,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:56:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:56:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:56:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:56:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:56:12,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:56:12,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:56:12,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:12,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:12,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:56:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:12,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:12,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:56:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:56:12,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:56:12,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:56:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:56:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:12,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:12,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:56:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:12,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:56:12,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:56:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:56:12,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:12,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:56:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:56:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:12,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:56:12,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:56:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:12,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:56:12,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 21:56:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:12,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:12,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:12,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:56:12,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:12,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:12,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:56:12,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:12,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:12,824 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:56:12,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1321527773] [2020-10-27 21:56:12,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:56:12,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:56:12,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917562424] [2020-10-27 21:56:12,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:56:12,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:56:12,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:56:12,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:56:12,830 INFO L87 Difference]: Start difference. First operand 512 states and 679 transitions. Second operand 19 states. [2020-10-27 21:56:17,421 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:56:20,102 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:56:22,457 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-27 21:56:25,732 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:56:29,076 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:56:47,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:56:47,477 INFO L93 Difference]: Finished difference Result 1312 states and 1858 transitions. [2020-10-27 21:56:47,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 21:56:47,478 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 161 [2020-10-27 21:56:47,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:56:47,487 INFO L225 Difference]: With dead ends: 1312 [2020-10-27 21:56:47,487 INFO L226 Difference]: Without dead ends: 863 [2020-10-27 21:56:47,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=365, Invalid=1357, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 21:56:47,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2020-10-27 21:56:47,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 514. [2020-10-27 21:56:47,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-10-27 21:56:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 680 transitions. [2020-10-27 21:56:47,757 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 680 transitions. Word has length 161 [2020-10-27 21:56:47,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:56:47,758 INFO L481 AbstractCegarLoop]: Abstraction has 514 states and 680 transitions. [2020-10-27 21:56:47,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:56:47,758 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 680 transitions. [2020-10-27 21:56:47,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-27 21:56:47,762 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:56:47,763 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:56:47,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:56:47,763 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:56:47,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:56:47,764 INFO L82 PathProgramCache]: Analyzing trace with hash -765544342, now seen corresponding path program 1 times [2020-10-27 21:56:47,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:56:47,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012234900] [2020-10-27 21:56:47,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:56:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:47,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:47,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:48,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:48,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:48,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:48,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:48,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:50,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:51,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:51,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:52,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:52,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 21:56:52,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 21:56:52,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 21:56:52,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:56:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:56:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:56:52,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:55,064 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:56:55,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:56:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:55,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:55,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:55,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:56:55,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:55,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 21:56:55,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:55,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:55,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:55,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:55,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:55,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:56:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:55,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:55,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:55,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:56:55,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:55,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:56:55,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:55,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:55,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:55,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:55,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:56:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:55,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:55,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:55,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:56:55,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:55,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:56:55,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:55,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:55,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:55,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:55,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:55,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:56:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:55,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:55,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:56:55,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:56:55,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:56:55,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:56:55,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:56:55,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:56:55,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:56:55,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:56:55,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:56:55,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:56:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:56:55,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:55,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:55,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:55,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:56:56,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:57:00,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:57:00,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:57:00,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:57:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:57:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:57:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:57:00,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:57:00,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:57:00,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:00,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:57:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:00,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:57:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:57:00,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:57:00,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:57:00,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:57:00,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:00,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:57:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:00,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:57:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:57:00,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:57:00,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 21:57:00,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:57:00,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:57:00,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:57:00,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:57:00,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:57:00,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:57:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:57:00,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:57:00,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:57:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:57:00,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:57:00,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:57:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:57:00,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 21:57:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:57:00,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:57:00,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:57:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:00,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:57:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:00,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:57:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:57:00,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:57:00,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:57:00,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:00,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:00,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 21:57:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:00,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:00,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 21:57:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:57:00,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:57:00,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 21:57:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:00,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 21:57:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:00,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 21:57:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:00,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:00,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:00,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:00,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:00,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:00,912 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:57:00,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012234900] [2020-10-27 21:57:00,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:57:00,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-27 21:57:00,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112727208] [2020-10-27 21:57:00,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 21:57:00,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:57:00,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 21:57:00,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-10-27 21:57:00,915 INFO L87 Difference]: Start difference. First operand 514 states and 680 transitions. Second operand 17 states. [2020-10-27 21:57:05,860 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:57:08,905 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-27 21:57:12,624 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-27 21:57:15,556 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-27 21:57:37,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:57:37,266 INFO L93 Difference]: Finished difference Result 1433 states and 2094 transitions. [2020-10-27 21:57:37,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 21:57:37,267 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 172 [2020-10-27 21:57:37,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:57:37,275 INFO L225 Difference]: With dead ends: 1433 [2020-10-27 21:57:37,275 INFO L226 Difference]: Without dead ends: 985 [2020-10-27 21:57:37,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=405, Invalid=1317, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 21:57:37,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2020-10-27 21:57:37,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 554. [2020-10-27 21:57:37,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-10-27 21:57:37,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 749 transitions. [2020-10-27 21:57:37,530 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 749 transitions. Word has length 172 [2020-10-27 21:57:37,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:57:37,531 INFO L481 AbstractCegarLoop]: Abstraction has 554 states and 749 transitions. [2020-10-27 21:57:37,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 21:57:37,531 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 749 transitions. [2020-10-27 21:57:37,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-27 21:57:37,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:57:37,535 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:57:37,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:57:37,536 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:57:37,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:57:37,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1146979272, now seen corresponding path program 1 times [2020-10-27 21:57:37,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:57:37,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601745122] [2020-10-27 21:57:37,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:57:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:37,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:37,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:37,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:37,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:37,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:38,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:38,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:42,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:42,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-27 21:57:42,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:57:42,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 21:57:42,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:57:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 21:57:42,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:57:42,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:44,910 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:57:44,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:57:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:44,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:44,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:44,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:57:44,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:44,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 21:57:44,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:44,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:44,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:57:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:44,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:44,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:44,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:57:44,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:44,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:57:44,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:44,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:44,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:44,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:57:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:44,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:44,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:44,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:57:44,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:44,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:57:44,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:44,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:44,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:44,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:44,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:44,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:57:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:44,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:44,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:44,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:57:44,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:44,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:57:44,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:44,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:44,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:44,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:45,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:57:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:45,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:45,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:45,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:45,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:45,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:46,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 21:57:50,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:57:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 21:57:50,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:57:50,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:57:50,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:57:50,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:57:50,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:57:50,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:57:50,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:57:50,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:50,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:50,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:57:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:50,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:50,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:57:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:57:50,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:57:50,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:57:50,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:57:50,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:50,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:50,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:57:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:50,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:50,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:57:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:57:50,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:57:50,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 21:57:50,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:57:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:57:50,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:57:50,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:57:50,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:57:50,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:57:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:57:50,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:57:50,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:57:50,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:57:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:57:50,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:57:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:57:50,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:57:50,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:57:50,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:57:50,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:57:50,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:57:50,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 21:57:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:57:50,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:57:50,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:57:50,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:50,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:50,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:57:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:50,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:50,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:57:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:57:50,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:57:50,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:57:50,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:57:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:50,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:57:50,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:57:50,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:57:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:50,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:50,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 21:57:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:57:50,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:50,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:57:50,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 21:57:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:50,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:50,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:50,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 21:57:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:50,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:50,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:50,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 21:57:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:57:50,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:57:50,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:57:50,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:57:50,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:57:50,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:57:50,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:57:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:57:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:57:50,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:57:50,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:57:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:57:50,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601745122] [2020-10-27 21:57:50,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:57:50,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:57:50,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861145209] [2020-10-27 21:57:50,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:57:50,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:57:50,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:57:50,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:57:50,736 INFO L87 Difference]: Start difference. First operand 554 states and 749 transitions. Second operand 19 states. [2020-10-27 21:57:55,428 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:57:58,193 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:58:00,679 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-27 21:58:04,287 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:58:08,490 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:58:31,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:58:31,869 INFO L93 Difference]: Finished difference Result 1709 states and 2610 transitions. [2020-10-27 21:58:31,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 21:58:31,871 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 174 [2020-10-27 21:58:31,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:58:31,881 INFO L225 Difference]: With dead ends: 1709 [2020-10-27 21:58:31,881 INFO L226 Difference]: Without dead ends: 1218 [2020-10-27 21:58:31,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=400, Invalid=1492, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 21:58:31,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-10-27 21:58:32,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 631. [2020-10-27 21:58:32,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2020-10-27 21:58:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 880 transitions. [2020-10-27 21:58:32,194 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 880 transitions. Word has length 174 [2020-10-27 21:58:32,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:58:32,194 INFO L481 AbstractCegarLoop]: Abstraction has 631 states and 880 transitions. [2020-10-27 21:58:32,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:58:32,195 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 880 transitions. [2020-10-27 21:58:32,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 21:58:32,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:58:32,198 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:58:32,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:58:32,198 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:58:32,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:58:32,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1165439911, now seen corresponding path program 1 times [2020-10-27 21:58:32,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:58:32,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1294492385] [2020-10-27 21:58:32,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:58:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:32,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:32,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:32,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:32,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:32,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:32,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:34,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:34,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:37,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:37,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-27 21:58:37,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 21:58:37,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:58:37,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:58:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-27 21:58:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:58:37,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:39,502 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:58:39,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:58:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:39,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:39,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:39,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:58:39,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:39,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 21:58:39,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:39,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:39,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:39,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:58:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:39,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:39,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:39,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:58:39,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:58:39,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:39,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:39,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:58:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:39,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:39,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:39,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:58:39,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:39,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:58:39,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:39,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:39,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:58:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:39,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:39,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:39,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:58:39,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:39,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:58:39,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:39,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:39,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:39,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:39,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:39,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:58:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:39,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:39,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:39,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:39,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:39,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking...