/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:42:11,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:42:11,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:42:11,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:42:11,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:42:11,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:42:11,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:42:11,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:42:11,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:42:11,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:42:11,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:42:11,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:42:11,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:42:11,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:42:11,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:42:11,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:42:11,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:42:11,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:42:11,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:42:11,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:42:11,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:42:11,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:42:11,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:42:11,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:42:11,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:42:11,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:42:11,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:42:11,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:42:11,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:42:11,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:42:11,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:42:11,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:42:11,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:42:11,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:42:11,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:42:11,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:42:11,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:42:11,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:42:11,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:42:11,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:42:11,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:42:11,495 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 02:42:11,522 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:42:11,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:42:11,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:42:11,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:42:11,525 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:42:11,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:42:11,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:42:11,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:42:11,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:42:11,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:42:11,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:42:11,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:42:11,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:42:11,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:42:11,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:42:11,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:42:11,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:42:11,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:42:11,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:42:11,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:42:11,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:42:11,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:42:11,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:42:11,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:42:11,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:42:11,530 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:42:11,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:42:11,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:42:11,531 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:42:11,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:42:11,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:42:11,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:42:11,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:42:11,934 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:42:11,934 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:42:11,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c [2020-10-27 02:42:12,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b86f74c28/6c95e9240c5a4b7b8a54c80a5130ac27/FLAG886d37b28 [2020-10-27 02:42:12,765 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:42:12,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c [2020-10-27 02:42:12,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b86f74c28/6c95e9240c5a4b7b8a54c80a5130ac27/FLAG886d37b28 [2020-10-27 02:42:12,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b86f74c28/6c95e9240c5a4b7b8a54c80a5130ac27 [2020-10-27 02:42:12,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:42:12,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:42:12,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:42:12,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:42:12,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:42:12,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:42:12" (1/1) ... [2020-10-27 02:42:12,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6006a8da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:12, skipping insertion in model container [2020-10-27 02:42:12,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:42:12" (1/1) ... [2020-10-27 02:42:12,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:42:13,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:42:13,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:42:13,819 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:42:13,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:42:14,021 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:42:14,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:14 WrapperNode [2020-10-27 02:42:14,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:42:14,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:42:14,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:42:14,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:42:14,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:14" (1/1) ... [2020-10-27 02:42:14,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:14" (1/1) ... [2020-10-27 02:42:14,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:14" (1/1) ... [2020-10-27 02:42:14,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:14" (1/1) ... [2020-10-27 02:42:14,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:14" (1/1) ... [2020-10-27 02:42:14,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:14" (1/1) ... [2020-10-27 02:42:14,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:14" (1/1) ... [2020-10-27 02:42:14,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:42:14,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:42:14,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:42:14,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:42:14,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:14" (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 02:42:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:42:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:42:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:42:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:42:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 02:42:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 02:42:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 02:42:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 02:42:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 02:42:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 02:42:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 02:42:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 02:42:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 02:42:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 02:42:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 02:42:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 02:42:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 02:42:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 02:42:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 02:42:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 02:42:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 02:42:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 02:42:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 02:42:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 02:42:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 02:42:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 02:42:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 02:42:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 02:42:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 02:42:14,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 02:42:14,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 02:42:14,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 02:42:14,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 02:42:14,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 02:42:14,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 02:42:14,316 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 02:42:14,317 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2020-10-27 02:42:14,317 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 02:42:14,317 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 02:42:14,317 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2020-10-27 02:42:14,317 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 02:42:14,317 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 02:42:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 02:42:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 02:42:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 02:42:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 02:42:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 02:42:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 02:42:14,319 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 02:42:14,319 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 02:42:14,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 02:42:14,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 02:42:14,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 02:42:14,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 02:42:14,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 02:42:14,320 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 02:42:14,320 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 02:42:14,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:42:14,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:42:14,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:42:14,321 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:42:14,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:42:14,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:42:14,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:42:14,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:42:14,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:42:14,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:42:14,322 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:42:14,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 02:42:14,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 02:42:14,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 02:42:14,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 02:42:14,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 02:42:14,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 02:42:14,323 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 02:42:14,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 02:42:14,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:42:14,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:42:14,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 02:42:14,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 02:42:14,324 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 02:42:14,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 02:42:14,324 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 02:42:14,324 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 02:42:14,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 02:42:14,325 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 02:42:14,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 02:42:14,325 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 02:42:14,325 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 02:42:14,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 02:42:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 02:42:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 02:42:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 02:42:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 02:42:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 02:42:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 02:42:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 02:42:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 02:42:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 02:42:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 02:42:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 02:42:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 02:42:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 02:42:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 02:42:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 02:42:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 02:42:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 02:42:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 02:42:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 02:42:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:42:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:42:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:42:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:42:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:42:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:42:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 02:42:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 02:42:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 02:42:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 02:42:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 02:42:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 02:42:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 02:42:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 02:42:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 02:42:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 02:42:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 02:42:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 02:42:14,331 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 02:42:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 02:42:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 02:42:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 02:42:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 02:42:14,332 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 02:42:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 02:42:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 02:42:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 02:42:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 02:42:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 02:42:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 02:42:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 02:42:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 02:42:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 02:42:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 02:42:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 02:42:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:42:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 02:42:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 02:42:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 02:42:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:42:14,335 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 02:42:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 02:42:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 02:42:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 02:42:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 02:42:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 02:42:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 02:42:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 02:42:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 02:42:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 02:42:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 02:42:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 02:42:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 02:42:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 02:42:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 02:42:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 02:42:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 02:42:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 02:42:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 02:42:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 02:42:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 02:42:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2020-10-27 02:42:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2020-10-27 02:42:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 02:42:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 02:42:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 02:42:14,339 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 02:42:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 02:42:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 02:42:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 02:42:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 02:42:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:42:14,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:42:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:42:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:42:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:42:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:42:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:42:14,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:42:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:42:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:42:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:42:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:42:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:42:14,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:42:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:42:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:42:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:42:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:42:14,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:42:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 02:42:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 02:42:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 02:42:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 02:42:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 02:42:14,344 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 02:42:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 02:42:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 02:42:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 02:42:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:42:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 02:42:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 02:42:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 02:42:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 02:42:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:42:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:42:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 02:42:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 02:42:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 02:42:14,347 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 02:42:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 02:42:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 02:42:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 02:42:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 02:42:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 02:42:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 02:42:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 02:42:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 02:42:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 02:42:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 02:42:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 02:42:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 02:42:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 02:42:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:42:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:42:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:42:17,391 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:42:17,391 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 02:42:17,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:42:17 BoogieIcfgContainer [2020-10-27 02:42:17,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:42:17,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:42:17,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:42:17,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:42:17,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:42:12" (1/3) ... [2020-10-27 02:42:17,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728e96b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:42:17, skipping insertion in model container [2020-10-27 02:42:17,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:42:14" (2/3) ... [2020-10-27 02:42:17,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728e96b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:42:17, skipping insertion in model container [2020-10-27 02:42:17,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:42:17" (3/3) ... [2020-10-27 02:42:17,409 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product14.cil.c [2020-10-27 02:42:17,422 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:42:17,429 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:42:17,444 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:42:17,487 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:42:17,487 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:42:17,488 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:42:17,488 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:42:17,488 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:42:17,488 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:42:17,488 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:42:17,488 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:42:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states. [2020-10-27 02:42:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 02:42:17,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:42:17,575 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] [2020-10-27 02:42:17,576 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 02:42:17,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:42:17,582 INFO L82 PathProgramCache]: Analyzing trace with hash 155390968, now seen corresponding path program 1 times [2020-10-27 02:42:17,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:42:17,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [981528887] [2020-10-27 02:42:17,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:42:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:18,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:18,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:18,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:19,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:19,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:23,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:23,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 02:42:23,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:42:23,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 02:42:23,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:42:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:42:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 02:42:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:42:27,277 WARN L193 SmtUtils]: Spent 3.96 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 02:42:27,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:42:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:27,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:27,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:27,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:42:27,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:27,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 02:42:27,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:27,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:27,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:27,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:42:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:27,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:27,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:27,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:42:27,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:27,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:27,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:27,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:27,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:27,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:42:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:27,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:27,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:27,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:42:27,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:27,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:27,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:27,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:27,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:27,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:27,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:27,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:42:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:27,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:27,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:27,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:42:27,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:27,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:27,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:27,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:27,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:27,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:27,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:27,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:42:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:27,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:27,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:27,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:27,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 02:42:32,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:42:32,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 02:42:32,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:42:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:42:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:42:32,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:42:32,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:42:32,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:32,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 02:42:32,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:32,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:32,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:32,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:32,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:42:32,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:32,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:42:32,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:32,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:32,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:32,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:32,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:32,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:32,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:32,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:32,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:32,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:32,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:42:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:32,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:32,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:32,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:32,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:32,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:32,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:32,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:42:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:42:32,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:42:32,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 02:42:32,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:42:32,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:42:32,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:42:32,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:32,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:42:32,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:32,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:42:32,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:42:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:42:32,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:32,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:32,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:32,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:32,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:32,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:32,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:42:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:32,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:32,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:42:32,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:42:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:32,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:42:32,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:32,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:42:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:42:32,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:32,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:42:32,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:42:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:32,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:32,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:42:32,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:32,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:42:32,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:32,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:32,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:32,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:32,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:32,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:32,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:32,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:32,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:32,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:42:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:32,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:32,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:32,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:32,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:32,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:32,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:32,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:32,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:32,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:32,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:33,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 02:42:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:33,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:33,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:33,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:42:33,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:33,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:42:33,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:42:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:33,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:33,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:42:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:33,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:33,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:33,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:33,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:33,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:33,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:33,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:33,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:33,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:33,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:33,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:42:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:33,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:33,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:33,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:33,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:33,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:33,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:33,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:33,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:42:33,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:33,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:33,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 02:42:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:33,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:33,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:33,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:33,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:33,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:33,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:33,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:33,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:42:33,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:33,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:33,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 02:42:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:33,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:33,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:33,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:33,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:33,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:33,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:33,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:33,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:42:33,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:33,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:33,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 02:42:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:33,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:33,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:33,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:42:33,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:33,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:33,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:33,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:33,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:42:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:33,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:33,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 02:42:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:33,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:33,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:33,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:33,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:33,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:33,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:33,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:33,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:42:33,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:33,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:33,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 02:42:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:33,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:33,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:33,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:33,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:33,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:33,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:33,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:33,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:42:33,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:33,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:33,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 02:42:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:42:33,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:42:33,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:42:33,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:42:33,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:42:33,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:42:33,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:42:33,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:42:33,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:42:33,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:42:33,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:42:33,243 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 02:42:33,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [981528887] [2020-10-27 02:42:33,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:42:33,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 02:42:33,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79797549] [2020-10-27 02:42:33,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 02:42:33,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:42:33,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 02:42:33,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:42:33,268 INFO L87 Difference]: Start difference. First operand 521 states. Second operand 15 states. [2020-10-27 02:42:39,752 WARN L193 SmtUtils]: Spent 4.25 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 02:42:44,659 WARN L193 SmtUtils]: Spent 4.32 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 02:42:49,154 WARN L193 SmtUtils]: Spent 4.42 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-27 02:42:54,360 WARN L193 SmtUtils]: Spent 4.44 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-27 02:43:26,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:43:26,899 INFO L93 Difference]: Finished difference Result 1322 states and 2038 transitions. [2020-10-27 02:43:26,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 02:43:26,902 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2020-10-27 02:43:26,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:43:26,937 INFO L225 Difference]: With dead ends: 1322 [2020-10-27 02:43:26,939 INFO L226 Difference]: Without dead ends: 795 [2020-10-27 02:43:26,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 653 ImplicationChecksByTransitivity, 23.8s TimeCoverageRelationStatistics Valid=534, Invalid=1916, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 02:43:26,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2020-10-27 02:43:27,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 481. [2020-10-27 02:43:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-27 02:43:27,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 667 transitions. [2020-10-27 02:43:27,332 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 667 transitions. Word has length 155 [2020-10-27 02:43:27,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:43:27,333 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 667 transitions. [2020-10-27 02:43:27,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 02:43:27,333 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 667 transitions. [2020-10-27 02:43:27,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 02:43:27,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:43:27,340 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] [2020-10-27 02:43:27,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:43:27,340 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 02:43:27,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:43:27,341 INFO L82 PathProgramCache]: Analyzing trace with hash 318653189, now seen corresponding path program 1 times [2020-10-27 02:43:27,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:43:27,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116415302] [2020-10-27 02:43:27,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:43:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:27,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:27,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:27,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:28,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:28,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:31,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:32,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:32,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 02:43:32,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:43:32,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-27 02:43:32,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 02:43:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:43:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-27 02:43:32,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:43:36,842 WARN L193 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 02:43:36,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:43:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:36,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:37,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:37,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:43:37,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 02:43:37,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:43:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:37,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:43:37,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:37,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:43:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:37,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:37,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:37,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:43:37,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:37,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:43:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:37,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:43:37,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:37,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:43:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:37,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:37,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:37,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:43:37,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:37,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:37,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:43:37,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:37,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:43:37,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:37,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:43:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:37,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:37,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:37,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:43:37,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:37,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:43:37,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:37,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:43:37,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:37,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:43:37,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:37,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:43:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:37,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:37,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:37,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:37,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:37,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:37,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:38,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 02:43:42,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:43:42,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:43:42,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:43:42,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 02:43:42,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:43:42,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:43:42,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:42,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:42,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:43:42,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:43:42,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:42,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:42,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:42,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:42,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:43:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:42,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:42,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:42,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:43:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 02:43:42,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 02:43:42,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-27 02:43:42,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:43:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 02:43:42,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:43:42,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:43:42,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:43:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:43:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:42,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:42,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:42,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:43:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:43:42,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:43:42,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:43:42,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 02:43:42,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 02:43:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:43:42,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:43:42,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:43:42,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:43:42,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:43:42,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:43:42,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:42,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:42,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:42,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:42,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:43:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:42,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:42,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:42,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:42,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:42,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 02:43:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:42,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:42,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:42,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:43:42,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:42,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:43:42,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:43:42,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:42,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:43:42,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:43,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:43,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:43,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:43,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:43,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:43,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:43:43,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:43:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:43:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:43,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:43:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:43,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:43,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:43,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:43,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:43,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:43:43,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:43:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:43:43,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:43,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 02:43:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:43,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:43,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:43,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:43,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:43,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:43:43,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:43,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:43:43,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:43,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:43:43,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:43,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 02:43:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:43,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:43,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:43,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:43,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:43,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:43:43,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:43,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:43:43,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:43,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:43:43,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:43,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 02:43:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:43,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:43,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:43,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:43:43,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:43,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:43:43,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:43,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:43:43,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:43:43,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:43:43,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:43,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 02:43:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:43,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:43,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:43,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:43,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:43,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:43,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:43,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:43,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:43:43,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:43,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:43,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 02:43:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:43,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:43,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:43,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:43,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:43,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:43,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:43,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:43,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:43:43,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:43,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:43,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 02:43:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:43,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:43,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:43,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:43,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:43,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:43,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:43,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:43,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:43:43,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:43,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 02:43:43,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116415302] [2020-10-27 02:43:43,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:43:43,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 02:43:43,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804377002] [2020-10-27 02:43:43,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 02:43:43,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:43:43,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 02:43:43,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=735, Unknown=0, NotChecked=0, Total=812 [2020-10-27 02:43:43,547 INFO L87 Difference]: Start difference. First operand 481 states and 667 transitions. Second operand 29 states. [2020-10-27 02:43:50,128 WARN L193 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 02:43:55,963 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-27 02:44:01,458 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-27 02:44:05,928 WARN L193 SmtUtils]: Spent 4.25 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 02:44:10,319 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-27 02:44:15,393 WARN L193 SmtUtils]: Spent 4.22 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-27 02:44:19,796 WARN L193 SmtUtils]: Spent 4.25 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 02:44:25,557 WARN L193 SmtUtils]: Spent 4.18 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-27 02:44:31,135 WARN L193 SmtUtils]: Spent 4.21 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 02:44:35,924 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 02:44:40,767 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification that was a NOOP. DAG size: 572 [2020-10-27 02:44:47,717 WARN L193 SmtUtils]: Spent 4.56 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 02:44:48,229 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-10-27 02:44:56,176 WARN L193 SmtUtils]: Spent 4.46 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-27 02:45:02,083 WARN L193 SmtUtils]: Spent 4.47 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 02:45:10,531 WARN L193 SmtUtils]: Spent 4.21 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-27 02:45:15,412 WARN L193 SmtUtils]: Spent 4.28 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 02:45:20,374 WARN L193 SmtUtils]: Spent 4.36 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-27 02:45:25,223 WARN L193 SmtUtils]: Spent 4.30 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 02:45:30,068 WARN L193 SmtUtils]: Spent 4.25 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 02:45:34,481 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-27 02:45:39,027 WARN L193 SmtUtils]: Spent 4.29 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 02:45:44,177 WARN L193 SmtUtils]: Spent 4.52 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 02:45:52,999 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 02:45:57,856 WARN L193 SmtUtils]: Spent 4.54 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 02:46:02,541 WARN L193 SmtUtils]: Spent 4.25 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 02:46:09,031 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-27 02:46:13,343 WARN L193 SmtUtils]: Spent 4.13 s on a formula simplification that was a NOOP. DAG size: 568