/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_spec8_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:10:23,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:10:23,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:10:23,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:10:23,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:10:23,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:10:23,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:10:24,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:10:24,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:10:24,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:10:24,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:10:24,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:10:24,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:10:24,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:10:24,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:10:24,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:10:24,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:10:24,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:10:24,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:10:24,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:10:24,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:10:24,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:10:24,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:10:24,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:10:24,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:10:24,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:10:24,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:10:24,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:10:24,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:10:24,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:10:24,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:10:24,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:10:24,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:10:24,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:10:24,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:10:24,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:10:24,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:10:24,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:10:24,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:10:24,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:10:24,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:10:24,064 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 03:10:24,090 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:10:24,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:10:24,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:10:24,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:10:24,093 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:10:24,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:10:24,093 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:10:24,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:10:24,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:10:24,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:10:24,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:10:24,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:10:24,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:10:24,095 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:10:24,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:10:24,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:10:24,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:10:24,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:10:24,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:10:24,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:10:24,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:10:24,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:10:24,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:10:24,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:10:24,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:10:24,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:10:24,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:10:24,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:10:24,099 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:10:24,100 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:10:24,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:10:24,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:10:24,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:10:24,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:10:24,510 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:10:24,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product14.cil.c [2020-10-27 03:10:24,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4fae68b59/151172e8c1f94bd0ac40a1719c4516d2/FLAG7b0722b90 [2020-10-27 03:10:25,458 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:10:25,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec8_product14.cil.c [2020-10-27 03:10:25,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4fae68b59/151172e8c1f94bd0ac40a1719c4516d2/FLAG7b0722b90 [2020-10-27 03:10:25,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4fae68b59/151172e8c1f94bd0ac40a1719c4516d2 [2020-10-27 03:10:25,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:10:25,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:10:25,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:10:25,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:10:25,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:10:25,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:10:25" (1/1) ... [2020-10-27 03:10:25,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9d2d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:25, skipping insertion in model container [2020-10-27 03:10:25,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:10:25" (1/1) ... [2020-10-27 03:10:25,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:10:25,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:10:26,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:10:26,536 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:10:26,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:10:26,836 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:10:26,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:26 WrapperNode [2020-10-27 03:10:26,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:10:26,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:10:26,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:10:26,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:10:26,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:26" (1/1) ... [2020-10-27 03:10:26,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:26" (1/1) ... [2020-10-27 03:10:26,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:26" (1/1) ... [2020-10-27 03:10:26,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:26" (1/1) ... [2020-10-27 03:10:26,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:26" (1/1) ... [2020-10-27 03:10:26,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:26" (1/1) ... [2020-10-27 03:10:27,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:26" (1/1) ... [2020-10-27 03:10:27,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:10:27,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:10:27,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:10:27,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:10:27,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:26" (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 03:10:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:10:27,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:10:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:10:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:10:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:10:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:10:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:10:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:10:27,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:10:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:10:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 03:10:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 03:10:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 03:10:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2020-10-27 03:10:27,139 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 03:10:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 03:10:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2020-10-27 03:10:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 03:10:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 03:10:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 03:10:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 03:10:27,140 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 03:10:27,141 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 03:10:27,141 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 03:10:27,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 03:10:27,141 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 03:10:27,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 03:10:27,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:10:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 03:10:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 03:10:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 03:10:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 03:10:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 03:10:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 03:10:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-27 03:10:27,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-27 03:10:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 03:10:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 03:10:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 03:10:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 03:10:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 03:10:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 03:10:27,143 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 03:10:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 03:10:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 03:10:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 03:10:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 03:10:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 03:10:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 03:10:27,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 03:10:27,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 03:10:27,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 03:10:27,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 03:10:27,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 03:10:27,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 03:10:27,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 03:10:27,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 03:10:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:10:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 03:10:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 03:10:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 03:10:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 03:10:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 03:10:27,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 03:10:27,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 03:10:27,147 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 03:10:27,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 03:10:27,147 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 03:10:27,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 03:10:27,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 03:10:27,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 03:10:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 03:10:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 03:10:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 03:10:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 03:10:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 03:10:27,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 03:10:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 03:10:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 03:10:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 03:10:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 03:10:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 03:10:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 03:10:27,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 03:10:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 03:10:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 03:10:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 03:10:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 03:10:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 03:10:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 03:10:27,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 03:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 03:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 03:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 03:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 03:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 03:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 03:10:27,151 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 03:10:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 03:10:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 03:10:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 03:10:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 03:10:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 03:10:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 03:10:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 03:10:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:10:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:10:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:10:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:10:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:10:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:10:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:10:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:10:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:10:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:10:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:10:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:10:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:10:27,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:10:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:10:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:10:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:10:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:10:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:10:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:10:27,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:10:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:10:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:10:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:10:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:10:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 03:10:27,156 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 03:10:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 03:10:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 03:10:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 03:10:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 03:10:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 03:10:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 03:10:27,157 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 03:10:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 03:10:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 03:10:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 03:10:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 03:10:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 03:10:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 03:10:27,158 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 03:10:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 03:10:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 03:10:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 03:10:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 03:10:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 03:10:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 03:10:27,159 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 03:10:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 03:10:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 03:10:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 03:10:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 03:10:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 03:10:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 03:10:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 03:10:27,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-27 03:10:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 03:10:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2020-10-27 03:10:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2020-10-27 03:10:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-27 03:10:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:10:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 03:10:27,161 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 03:10:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 03:10:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 03:10:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 03:10:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 03:10:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 03:10:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 03:10:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 03:10:27,162 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 03:10:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 03:10:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 03:10:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 03:10:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 03:10:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 03:10:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 03:10:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 03:10:27,163 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 03:10:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 03:10:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 03:10:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 03:10:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 03:10:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 03:10:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 03:10:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 03:10:27,164 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 03:10:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 03:10:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 03:10:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:10:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 03:10:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 03:10:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 03:10:27,165 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 03:10:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 03:10:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 03:10:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 03:10:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 03:10:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 03:10:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 03:10:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 03:10:27,166 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 03:10:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 03:10:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 03:10:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 03:10:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 03:10:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 03:10:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 03:10:27,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 03:10:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 03:10:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 03:10:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 03:10:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:10:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:10:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:10:27,168 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 03:10:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 03:10:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 03:10:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 03:10:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:10:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:10:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 03:10:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 03:10:27,169 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 03:10:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 03:10:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 03:10:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:10:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:10:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:10:27,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:10:29,849 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:10:29,849 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 03:10:29,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:10:29 BoogieIcfgContainer [2020-10-27 03:10:29,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:10:29,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:10:29,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:10:29,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:10:29,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:10:25" (1/3) ... [2020-10-27 03:10:29,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d6b8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:10:29, skipping insertion in model container [2020-10-27 03:10:29,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:26" (2/3) ... [2020-10-27 03:10:29,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d6b8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:10:29, skipping insertion in model container [2020-10-27 03:10:29,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:10:29" (3/3) ... [2020-10-27 03:10:29,863 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product14.cil.c [2020-10-27 03:10:29,875 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:10:29,883 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:10:29,898 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:10:29,941 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:10:29,941 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:10:29,941 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:10:29,942 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:10:29,942 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:10:29,942 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:10:29,942 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:10:29,946 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:10:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states. [2020-10-27 03:10:30,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 03:10:30,012 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:10:30,013 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 03:10:30,014 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 03:10:30,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:10:30,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1001852543, now seen corresponding path program 1 times [2020-10-27 03:10:30,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:10:30,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695862634] [2020-10-27 03:10:30,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:10:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:30,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:30,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:31,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:31,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:31,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:35,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:35,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 03:10:35,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:10:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-10-27 03:10:35,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:10:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:10:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:10:35,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:10:38,291 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 03:10:38,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:10:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:38,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:38,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:38,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:10:38,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:38,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 03:10:38,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:38,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:10:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:38,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:38,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:38,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:10:38,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:38,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:10:38,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:38,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:38,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:10:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:38,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:38,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:38,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:10:38,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:38,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:38,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:38,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:38,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:38,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:38,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:10:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:38,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:38,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:10:38,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:10:38,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:38,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:38,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:10:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:38,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:38,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:38,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:39,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:43,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:43,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 03:10:43,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:10:43,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 03:10:43,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:43,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:10:43,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:10:43,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:10:43,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:10:43,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:43,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:43,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:43,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:10:43,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:43,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:10:43,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:43,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:43,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:43,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:43,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:43,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:43,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:43,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:10:43,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:43,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:10:43,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:43,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:43,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:43,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:43,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:43,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:43,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:43,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:43,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:43,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:43,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:43,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:43,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:43,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:43,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:43,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:43,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:10:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:43,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:43,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:43,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:43,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:43,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:43,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:43,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:43,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:43,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:10:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:43,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:43,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:43,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:43,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:10:43,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:10:43,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-27 03:10:43,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:10:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:10:43,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:10:43,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 03:10:43,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:43,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:10:44,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 03:10:44,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:10:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:44,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:10:44,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:44,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:44,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:44,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:10:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:44,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:10:44,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:10:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:10:44,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:10:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:10:44,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:10:44,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:10:44,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:10:44,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:10:44,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:44,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:44,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:44,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:10:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:44,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:44,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 03:10:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:10:44,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:10:44,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:10:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:44,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:44,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:44,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:10:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:44,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:10:44,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:44,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 03:10:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:44,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:44,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:44,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 03:10:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:44,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:44,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:44,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 03:10:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:10:44,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:44,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:10:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 03:10:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:44,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:10:44,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:44,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:10:44,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 03:10:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:44,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:44,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:44,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 03:10:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:44,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:44,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:44,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:44,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:44,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:44,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:44,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:44,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:44,438 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 03:10:44,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695862634] [2020-10-27 03:10:44,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:10:44,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 03:10:44,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865825107] [2020-10-27 03:10:44,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 03:10:44,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:10:44,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 03:10:44,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:10:44,465 INFO L87 Difference]: Start difference. First operand 525 states. Second operand 15 states. [2020-10-27 03:10:48,668 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-27 03:10:51,138 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 03:10:53,382 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 585 [2020-10-27 03:10:56,055 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 585 [2020-10-27 03:11:14,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:11:14,509 INFO L93 Difference]: Finished difference Result 1294 states and 1967 transitions. [2020-10-27 03:11:14,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 03:11:14,513 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2020-10-27 03:11:14,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:11:14,544 INFO L225 Difference]: With dead ends: 1294 [2020-10-27 03:11:14,544 INFO L226 Difference]: Without dead ends: 767 [2020-10-27 03:11:14,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=534, Invalid=1916, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 03:11:14,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2020-10-27 03:11:14,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 485. [2020-10-27 03:11:14,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2020-10-27 03:11:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 671 transitions. [2020-10-27 03:11:14,938 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 671 transitions. Word has length 155 [2020-10-27 03:11:14,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:11:14,939 INFO L481 AbstractCegarLoop]: Abstraction has 485 states and 671 transitions. [2020-10-27 03:11:14,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 03:11:14,939 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 671 transitions. [2020-10-27 03:11:14,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 03:11:14,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:11:14,948 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 03:11:14,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:11:14,948 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 03:11:14,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:11:14,949 INFO L82 PathProgramCache]: Analyzing trace with hash -671336928, now seen corresponding path program 1 times [2020-10-27 03:11:14,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:11:14,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200810855] [2020-10-27 03:11:14,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:11:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:15,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:15,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:15,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:16,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:16,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:19,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:20,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:20,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 03:11:20,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:11:20,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 03:11:20,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 03:11:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:11:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-27 03:11:20,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:22,649 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 03:11:22,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:11:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:22,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:22,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:22,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:11:22,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-27 03:11:22,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:11:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:11:22,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:22,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:11:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:22,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:22,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:22,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:11:22,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:22,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:11:22,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:11:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:11:22,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:22,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:11:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:22,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:22,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:22,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:11:22,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:22,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:11:22,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:11:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:11:22,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:22,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:11:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:22,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:22,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:22,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:11:22,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:22,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:11:22,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:11:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:22,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:11:22,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:22,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:11:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:22,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:22,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:23,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:23,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:24,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:24,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:27,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:27,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:11:27,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:11:27,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:11:27,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:11:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 03:11:27,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:11:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:11:28,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:11:28,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:11:28,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:11:28,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:11:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:11:28,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:11:28,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:11:28,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:11:28,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:11:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:28,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:11:28,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:11:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:11:28,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:11:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:28,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:11:28,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:11:28,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:11:28,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:11:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:11:28,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:11:28,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 03:11:28,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:11:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 03:11:28,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:11:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:11:28,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:11:28,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:11:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:11:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:11:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:28,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:11:28,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:11:28,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:11:28,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:11:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:11:28,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:11:28,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:11:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:11:28,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:11:28,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:11:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:11:28,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 03:11:28,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:11:28,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:11:28,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:11:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:11:28,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:11:28,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:11:28,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:11:28,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:11:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:28,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:11:28,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:11:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:11:28,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:11:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:28,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:11:28,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:11:28,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:11:28,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 03:11:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:11:28,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 03:11:28,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:11:28,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 03:11:28,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:11:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:28,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:11:28,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:11:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:11:28,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:11:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:28,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:11:28,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:11:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:11:28,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:11:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:28,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:11:28,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:11:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:11:28,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 03:11:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:28,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:11:28,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:11:28,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:11:28,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:11:28,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:11:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:11:28,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:11:28,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:11:28,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:11:28,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:11:28,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 03:11:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:28,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:28,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:28,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:28,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:28,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:11:28,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:11:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:11:28,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:11:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:28,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 03:11:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:29,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:29,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:29,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:29,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:29,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:11:29,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:11:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:11:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:11:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:29,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 03:11:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:11:29,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:11:29,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:11:29,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:11:29,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:11:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:11:29,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:11:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:11:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:11:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:11:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:11:29,103 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 03:11:29,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200810855] [2020-10-27 03:11:29,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:11:29,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 03:11:29,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747292657] [2020-10-27 03:11:29,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 03:11:29,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:11:29,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 03:11:29,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=737, Unknown=0, NotChecked=0, Total=812 [2020-10-27 03:11:29,111 INFO L87 Difference]: Start difference. First operand 485 states and 671 transitions. Second operand 29 states. [2020-10-27 03:11:36,997 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 03:11:40,585 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 585 [2020-10-27 03:11:43,528 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 03:11:45,856 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 588 [2020-10-27 03:11:48,158 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 584 [2020-10-27 03:11:50,859 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 03:11:53,173 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 588 [2020-10-27 03:11:56,265 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 587 [2020-10-27 03:11:59,219 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 03:12:01,663 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 588 [2020-10-27 03:12:04,213 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 587 [2020-10-27 03:12:07,972 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 587 [2020-10-27 03:12:12,463 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 585 [2020-10-27 03:12:15,649 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-27 03:12:20,739 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 587 [2020-10-27 03:12:23,553 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 03:12:26,314 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 587 [2020-10-27 03:12:28,950 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 588 [2020-10-27 03:12:31,761 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 588 [2020-10-27 03:12:34,297 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 587 [2020-10-27 03:12:36,804 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 03:12:39,417 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 588 [2020-10-27 03:12:44,377 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 03:12:46,772 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 585 [2020-10-27 03:12:49,302 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 587 [2020-10-27 03:12:53,116 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 03:12:55,419 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 03:13:01,251 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 585 [2020-10-27 03:13:03,647 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 03:13:05,931 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 587 [2020-10-27 03:13:11,838 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 588 [2020-10-27 03:13:38,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:13:38,910 INFO L93 Difference]: Finished difference Result 2059 states and 3110 transitions. [2020-10-27 03:13:38,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2020-10-27 03:13:38,911 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 157 [2020-10-27 03:13:38,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:13:38,932 INFO L225 Difference]: With dead ends: 2059 [2020-10-27 03:13:38,932 INFO L226 Difference]: Without dead ends: 1625 [2020-10-27 03:13:38,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3866 ImplicationChecksByTransitivity, 77.9s TimeCoverageRelationStatistics Valid=1859, Invalid=10797, Unknown=0, NotChecked=0, Total=12656 [2020-10-27 03:13:38,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2020-10-27 03:13:39,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 1142. [2020-10-27 03:13:39,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1142 states. [2020-10-27 03:13:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 1142 states and 1618 transitions. [2020-10-27 03:13:39,585 INFO L78 Accepts]: Start accepts. Automaton has 1142 states and 1618 transitions. Word has length 157 [2020-10-27 03:13:39,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:13:39,586 INFO L481 AbstractCegarLoop]: Abstraction has 1142 states and 1618 transitions. [2020-10-27 03:13:39,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-27 03:13:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1618 transitions. [2020-10-27 03:13:39,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-27 03:13:39,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:13:39,593 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:13:39,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:13:39,593 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:13:39,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:13:39,594 INFO L82 PathProgramCache]: Analyzing trace with hash 275829554, now seen corresponding path program 1 times [2020-10-27 03:13:39,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:13:39,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136613859] [2020-10-27 03:13:39,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:13:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:39,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:39,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:39,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:39,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:40,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:44,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:44,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-27 03:13:44,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:13:44,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-27 03:13:44,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:13:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:13:44,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:13:44,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:46,989 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 03:13:46,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:13:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:47,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:47,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:13:47,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:47,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 03:13:47,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:47,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:47,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:13:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:47,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:47,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:13:47,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:47,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:13:47,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:47,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:47,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:47,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:47,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:13:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:47,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:47,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:13:47,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:47,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:13:47,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:47,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:47,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:47,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:47,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:47,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:13:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:47,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:47,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:13:47,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:47,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:13:47,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:47,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:47,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:47,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:47,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:47,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:13:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:47,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:13:52,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:13:52,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:13:52,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:13:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:13:52,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:13:52,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:13:52,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:13:52,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:13:52,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:13:52,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:52,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:13:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:52,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:13:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:13:52,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:13:52,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-27 03:13:52,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:13:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:13:52,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:13:52,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:13:52,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:13:52,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:13:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:13:52,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:13:52,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:13:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:13:52,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:13:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:13:52,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:13:52,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:13:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:13:52,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:13:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:13:52,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:13:52,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:13:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:13:52,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:13:52,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:52,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:13:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:52,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 03:13:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:13:52,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:13:52,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:13:52,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:52,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:13:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:52,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:13:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:52,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:13:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 03:13:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:52,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:13:52,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:13:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 03:13:52,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:13:52,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 03:13:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 03:13:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:13:52,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:13:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 03:13:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:52,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:13:52,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 03:13:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:52,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:13:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:13:52,931 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 03:13:52,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136613859] [2020-10-27 03:13:52,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:13:52,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 03:13:52,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983158959] [2020-10-27 03:13:52,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 03:13:52,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:13:52,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 03:13:52,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 03:13:52,935 INFO L87 Difference]: Start difference. First operand 1142 states and 1618 transitions. Second operand 17 states. [2020-10-27 03:13:57,313 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-27 03:14:00,232 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 03:14:02,455 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 585 [2020-10-27 03:14:04,719 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 585 [2020-10-27 03:14:06,933 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 585