/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=BIGGEST --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 -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:24:43,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:24:43,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:24:43,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:24:43,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:24:43,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:24:43,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:24:43,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:24:43,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:24:43,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:24:43,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:24:43,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:24:43,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:24:43,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:24:43,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:24:43,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:24:43,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:24:43,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:24:43,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:24:43,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:24:43,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:24:43,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:24:43,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:24:43,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:24:43,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:24:43,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:24:43,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:24:43,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:24:43,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:24:43,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:24:43,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:24:43,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:24:43,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:24:43,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:24:43,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:24:43,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:24:43,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:24:43,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:24:43,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:24:43,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:24:43,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:24:43,888 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 [2020-10-12 17:24:43,920 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:24:43,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:24:43,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:24:43,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:24:43,922 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:24:43,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:24:43,922 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:24:43,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:24:43,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:24:43,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:24:43,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:24:43,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:24:43,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:24:43,924 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:24:43,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:24:43,924 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:24:43,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:24:43,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:24:43,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:24:43,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:24:43,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:24:43,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:24:43,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:24:43,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:24:43,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:24:43,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:24:43,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:24:43,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:24:43,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:24:43,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:24:44,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:24:44,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:24:44,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:24:44,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:24:44,273 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:24:44,274 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2020-10-12 17:24:44,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f8e83fb7/8b0db040f1aa4103810e28b0fada3f86/FLAGdd0faf084 [2020-10-12 17:24:44,963 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:24:44,964 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec4_product27.cil.c [2020-10-12 17:24:44,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f8e83fb7/8b0db040f1aa4103810e28b0fada3f86/FLAGdd0faf084 [2020-10-12 17:24:45,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f8e83fb7/8b0db040f1aa4103810e28b0fada3f86 [2020-10-12 17:24:45,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:24:45,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:24:45,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:24:45,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:24:45,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:24:45,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:24:45" (1/1) ... [2020-10-12 17:24:45,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e5dc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:45, skipping insertion in model container [2020-10-12 17:24:45,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:24:45" (1/1) ... [2020-10-12 17:24:45,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:24:45,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:24:45,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:24:46,003 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:24:46,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:24:46,228 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:24:46,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:46 WrapperNode [2020-10-12 17:24:46,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:24:46,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:24:46,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:24:46,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:24:46,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:46" (1/1) ... [2020-10-12 17:24:46,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:46" (1/1) ... [2020-10-12 17:24:46,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:46" (1/1) ... [2020-10-12 17:24:46,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:46" (1/1) ... [2020-10-12 17:24:46,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:46" (1/1) ... [2020-10-12 17:24:46,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:46" (1/1) ... [2020-10-12 17:24:46,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:46" (1/1) ... [2020-10-12 17:24:46,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:24:46,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:24:46,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:24:46,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:24:46,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:46" (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 [2020-10-12 17:24:46,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:24:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:24:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:24:46,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:24:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:24:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:24:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:24:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:24:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:24:46,562 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:24:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:24:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:24:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:24:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:24:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:24:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:24:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:24:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:24:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:24:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:24:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:24:46,565 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:24:46,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:24:46,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:24:46,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:24:46,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:24:46,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:24:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:24:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:24:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:24:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:24:46,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:24:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:24:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:24:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:24:46,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:24:46,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:24:46,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:24:46,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:24:46,570 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:24:46,570 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:24:46,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:24:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:24:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:24:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:24:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:24:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:24:46,571 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:24:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:24:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:24:46,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:24:46,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:24:46,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:24:46,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:24:46,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:24:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:24:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:24:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:24:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:24:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:24:46,574 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2020-10-12 17:24:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-12 17:24:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:24:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:24:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:24:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:24:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:24:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:24:46,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:24:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:24:46,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:24:46,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:24:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:24:46,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:24:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:24:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:24:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:24:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:24:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:24:46,580 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:24:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:24:46,581 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:24:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:24:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:24:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:24:46,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:24:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:24:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:24:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:24:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:24:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:24:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:24:46,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-12 17:24:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-12 17:24:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:24:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:24:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2020-10-12 17:24:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:24:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:24:46,584 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-12 17:24:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-12 17:24:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-12 17:24:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:24:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:24:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:24:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:24:46,585 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:24:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:24:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:24:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:24:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:24:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:24:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-12 17:24:46,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-12 17:24:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-12 17:24:46,587 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-12 17:24:46,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2020-10-12 17:24:46,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:24:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:24:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:24:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:24:46,589 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:24:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:24:46,590 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:24:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:24:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:24:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:24:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:24:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-12 17:24:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:24:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-12 17:24:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:24:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:24:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:24:46,597 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:24:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:24:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:24:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:24:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:24:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:24:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:24:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:24:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:24:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:24:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:24:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:24:46,607 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:24:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:24:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:24:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:24:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:24:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:24:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:24:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:24:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:24:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:24:46,610 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:24:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:24:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:24:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:24:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:24:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:24:46,611 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:24:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:24:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:24:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:24:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:24:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:24:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:24:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:24:46,612 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:24:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:24:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:24:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:24:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:24:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:24:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:24:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:24:46,613 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:24:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:24:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:24:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:24:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:24:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:24:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:24:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:24:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:24:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:24:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:24:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:24:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:24:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:24:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:24:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2020-10-12 17:24:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-12 17:24:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:24:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:24:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:24:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:24:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:24:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:24:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:24:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:24:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:24:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:24:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:24:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:24:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:24:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:24:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:24:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:24:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:24:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:24:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:24:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:24:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:24:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:24:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:24:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:24:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:24:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:24:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:24:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:24:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:24:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:24:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:24:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:24:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:24:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:24:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:24:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:24:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:24:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:24:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:24:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:24:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:24:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-12 17:24:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-12 17:24:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-12 17:24:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-12 17:24:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2020-10-12 17:24:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:24:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2020-10-12 17:24:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-12 17:24:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-12 17:24:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-12 17:24:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:24:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:24:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:24:48,801 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:24:48,802 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:24:48,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:24:48 BoogieIcfgContainer [2020-10-12 17:24:48,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:24:48,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:24:48,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:24:48,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:24:48,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:24:45" (1/3) ... [2020-10-12 17:24:48,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46906d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:24:48, skipping insertion in model container [2020-10-12 17:24:48,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:24:46" (2/3) ... [2020-10-12 17:24:48,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46906d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:24:48, skipping insertion in model container [2020-10-12 17:24:48,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:24:48" (3/3) ... [2020-10-12 17:24:48,830 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2020-10-12 17:24:48,842 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:24:48,855 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:24:48,869 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:24:48,907 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:24:48,907 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:24:48,907 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:24:48,907 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:24:48,907 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:24:48,907 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:24:48,911 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:24:48,911 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:24:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states. [2020-10-12 17:24:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 17:24:48,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:24:48,989 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:24:48,990 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:24:48,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:24:48,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1321708058, now seen corresponding path program 1 times [2020-10-12 17:24:49,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:24:49,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1902209430] [2020-10-12 17:24:49,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:24:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:49,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:49,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:50,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:50,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:50,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:54,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:54,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-12 17:24:54,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:24:54,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-12 17:24:54,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:54,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:24:54,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 17:24:54,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:24:54,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:24:56,515 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:24:56,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:24:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:56,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:56,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:56,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:24:56,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:56,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 17:24:56,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:56,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:56,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:56,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:56,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:56,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:24:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:56,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:56,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:56,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:24:56,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:24:56,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:56,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:56,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:24:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:56,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:56,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:24:56,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:56,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:56,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:56,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:56,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:24:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:56,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:56,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:56,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:24:56,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:56,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:24:56,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:24:56,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:24:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:56,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:56,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:56,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:57,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:01,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:01,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:25:01,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:25:01,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 17:25:01,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:01,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:25:01,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:25:01,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:25:01,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:01,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:01,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:01,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:01,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:25:01,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:01,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:25:01,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:01,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:01,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:01,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:01,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:01,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:01,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:25:01,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:01,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:25:01,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:01,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:01,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:01,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:01,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:01,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:01,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:01,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:01,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:01,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:01,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:01,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:25:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:01,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:01,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:01,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:01,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:01,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:25:01,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:01,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:01,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:01,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:25:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:01,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:01,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:25:02,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:25:02,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-12 17:25:02,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:25:02,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:25:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:25:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:25:02,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 17:25:02,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:25:02,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:02,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:25:02,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:02,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:25:02,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:25:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:25:02,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:25:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:25:02,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:25:02,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:02,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:25:02,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:02,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:25:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:25:02,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:25:02,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:25:02,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:25:02,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:25:02,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:02,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:25:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:02,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:25:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:25:02,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:25:02,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:25:02,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:02,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:25:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:02,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:02,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:25:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:25:02,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:25:02,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:25:02,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:02,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:02,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:25:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:02,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:02,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:25:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:02,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:02,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 17:25:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:02,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:02,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 17:25:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:02,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:02,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 17:25:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:02,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:02,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:02,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:02,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:02,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:02,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:02,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:02,727 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 17:25:02,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1902209430] [2020-10-12 17:25:02,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:25:02,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 17:25:02,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10248958] [2020-10-12 17:25:02,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 17:25:02,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:25:02,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 17:25:02,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-12 17:25:02,756 INFO L87 Difference]: Start difference. First operand 619 states. Second operand 18 states. [2020-10-12 17:25:06,448 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:25:08,775 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:25:10,275 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:25:11,854 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:25:13,385 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-12 17:25:40,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:25:40,196 INFO L93 Difference]: Finished difference Result 1736 states and 2656 transitions. [2020-10-12 17:25:40,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-12 17:25:40,199 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 157 [2020-10-12 17:25:40,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:25:40,225 INFO L225 Difference]: With dead ends: 1736 [2020-10-12 17:25:40,226 INFO L226 Difference]: Without dead ends: 1014 [2020-10-12 17:25:40,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1981 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=1159, Invalid=4693, Unknown=0, NotChecked=0, Total=5852 [2020-10-12 17:25:40,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2020-10-12 17:25:40,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 604. [2020-10-12 17:25:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-12 17:25:40,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 818 transitions. [2020-10-12 17:25:40,585 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 818 transitions. Word has length 157 [2020-10-12 17:25:40,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:25:40,585 INFO L479 AbstractCegarLoop]: Abstraction has 604 states and 818 transitions. [2020-10-12 17:25:40,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 17:25:40,586 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 818 transitions. [2020-10-12 17:25:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 17:25:40,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:25:40,592 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:25:40,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:25:40,592 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:25:40,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:25:40,593 INFO L82 PathProgramCache]: Analyzing trace with hash -512981079, now seen corresponding path program 1 times [2020-10-12 17:25:40,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:25:40,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043510405] [2020-10-12 17:25:40,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:25:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:40,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:41,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:41,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:42,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:45,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:45,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-12 17:25:45,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:25:45,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:25:45,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:25:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-12 17:25:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:25:45,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:47,147 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:25:47,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:25:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:47,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:47,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:47,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:25:47,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:47,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 17:25:47,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:47,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:47,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:47,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:47,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:47,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:25:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:47,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:47,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:47,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:25:47,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:47,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:47,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:47,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:47,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:47,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:47,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:47,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:25:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:47,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:47,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:47,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:25:47,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:47,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:25:47,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:47,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:47,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:47,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:47,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:47,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:25:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:47,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:47,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:47,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:25:47,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:47,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:47,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:47,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:47,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:47,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:47,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:47,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:25:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:47,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:47,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:47,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:47,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:47,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:47,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:25:52,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:25:52,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:25:52,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:25:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:25:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:25:52,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:25:52,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:25:52,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:52,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:25:52,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:25:52,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:52,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:52,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:52,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:52,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:52,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:25:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:52,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:52,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:52,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:52,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:25:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:25:52,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:25:52,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 17:25:52,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:25:52,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:25:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:25:52,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:25:52,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:25:52,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 17:25:52,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:25:52,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:25:52,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:52,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:25:52,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:25:52,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:25:52,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:25:52,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:25:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:52,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:25:52,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:25:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:25:52,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:25:52,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:25:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:25:52,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:25:52,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:25:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:52,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:25:52,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:25:52,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:52,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:52,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:52,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:52,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:52,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:25:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:52,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:52,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:52,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:52,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:25:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:25:52,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:25:52,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:25:52,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:25:52,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:52,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:52,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:52,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:25:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:52,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:52,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:52,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:25:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:25:52,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:25:52,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:25:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:25:52,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:25:52,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:52,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:52,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:52,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:52,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:52,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:52,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:25:52,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:52,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:25:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:25:52,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:53,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:25:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:53,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:53,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:53,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:53,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:53,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:53,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:53,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:53,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 17:25:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:53,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:53,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:53,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:53,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:53,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:53,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:53,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:53,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:53,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:25:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:53,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:53,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:53,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:53,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:53,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:53,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:53,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:53,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 17:25:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:53,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:53,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:53,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:53,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:53,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:53,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:53,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 17:25:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:53,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:53,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:53,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:53,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:53,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:53,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:53,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:53,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:53,163 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 17:25:53,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043510405] [2020-10-12 17:25:53,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:25:53,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:25:53,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742726092] [2020-10-12 17:25:53,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:25:53,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:25:53,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:25:53,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:25:53,170 INFO L87 Difference]: Start difference. First operand 604 states and 818 transitions. Second operand 23 states. [2020-10-12 17:25:56,399 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:25:58,272 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:26:00,123 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:26:02,016 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:26:03,496 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:26:04,886 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:26:07,110 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:26:15,018 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:26:16,962 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:26:18,570 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:26:23,903 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:26:40,919 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:26:57,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:26:57,135 INFO L93 Difference]: Finished difference Result 2543 states and 3816 transitions. [2020-10-12 17:26:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-12 17:26:57,136 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 159 [2020-10-12 17:26:57,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:26:57,152 INFO L225 Difference]: With dead ends: 2543 [2020-10-12 17:26:57,153 INFO L226 Difference]: Without dead ends: 1990 [2020-10-12 17:26:57,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1374 ImplicationChecksByTransitivity, 20.3s TimeCoverageRelationStatistics Valid=924, Invalid=4332, Unknown=0, NotChecked=0, Total=5256 [2020-10-12 17:26:57,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2020-10-12 17:26:57,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 611. [2020-10-12 17:26:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2020-10-12 17:26:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 830 transitions. [2020-10-12 17:26:57,567 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 830 transitions. Word has length 159 [2020-10-12 17:26:57,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:26:57,568 INFO L479 AbstractCegarLoop]: Abstraction has 611 states and 830 transitions. [2020-10-12 17:26:57,568 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:26:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 830 transitions. [2020-10-12 17:26:57,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 17:26:57,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:26:57,573 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:26:57,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:26:57,573 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:26:57,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:26:57,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1312064829, now seen corresponding path program 1 times [2020-10-12 17:26:57,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:26:57,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376526595] [2020-10-12 17:26:57,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:26:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:57,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:57,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:57,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:59,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:02,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:02,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-12 17:27:02,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:27:02,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-12 17:27:02,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:02,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:27:02,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 17:27:02,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:27:02,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:04,188 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-12 17:27:04,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:27:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:04,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:04,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:04,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:27:04,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:04,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 17:27:04,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:04,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:04,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:04,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:04,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:04,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:27:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:04,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:04,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:04,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:27:04,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:04,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:27:04,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:04,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:04,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:04,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:04,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:04,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:27:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:04,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:04,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:04,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:27:04,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:04,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:27:04,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:04,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:04,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:27:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:04,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:04,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:04,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:27:04,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:04,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:27:04,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:04,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:04,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:04,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:27:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:04,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:04,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:04,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:04,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:04,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:27:04,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:27:04,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 584 [2020-10-12 17:27:04,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:04,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:27:04,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 17:27:04,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:27:04,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:04,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:27:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:04,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:04,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:04,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:27:04,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:04,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:27:04,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:04,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:04,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:27:04,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:27:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:04,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:04,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:27:05,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:27:05,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:27:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:27:05,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:27:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:27:05,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:27:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:27:05,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:27:05,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:27:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:27:05,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:27:05,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:27:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:27:05,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:27:05,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:27:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:27:05,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:27:05,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:27:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:27:05,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:27:05,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-12 17:27:05,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:27:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:27:05,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:27:05,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:27:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:27:05,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:27:05,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:27:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:27:05,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:27:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:27:05,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:27:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:27:05,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:27:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:27:05,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:27:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:27:05,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:27:05,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:27:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:27:05,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:27:05,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:27:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:27:05,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:27:05,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:27:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:27:05,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:27:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:27:05,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:27:05,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:27:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:27:05,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:27:05,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:27:05,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:27:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:27:05,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:27:05,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:27:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:27:05,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:27:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:27:05,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:27:05,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:27:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:27:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:27:05,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:27:05,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:27:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:27:05,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:27:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:27:05,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:27:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:27:05,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:27:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 17:27:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:27:05,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:27:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:27:05,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 17:27:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:27:05,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:27:05,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:27:05,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:27:05,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:27:05,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:27:05,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:27:05,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:27:05,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:27:05,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:27:05,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:27:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 17:27:05,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376526595] [2020-10-12 17:27:05,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:27:05,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:27:05,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739764239] [2020-10-12 17:27:05,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:27:05,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:27:05,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:27:05,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:27:05,816 INFO L87 Difference]: Start difference. First operand 611 states and 830 transitions. Second operand 23 states. [2020-10-12 17:27:08,765 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:27:10,635 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:27:12,981 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:27:15,235 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-12 17:27:16,685 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:27:18,109 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:27:19,561 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:27:20,969 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:27:22,439 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:27:23,838 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:27:25,399 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:27:33,548 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-12 17:27:35,528 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:27:37,192 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:27:42,793 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:28:02,442 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:28:19,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:28:19,514 INFO L93 Difference]: Finished difference Result 2577 states and 3855 transitions. [2020-10-12 17:28:19,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-10-12 17:28:19,515 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 160 [2020-10-12 17:28:19,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:28:19,528 INFO L225 Difference]: With dead ends: 2577 [2020-10-12 17:28:19,529 INFO L226 Difference]: Without dead ends: 2021 [2020-10-12 17:28:19,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2339 ImplicationChecksByTransitivity, 27.3s TimeCoverageRelationStatistics Valid=1410, Invalid=6780, Unknown=0, NotChecked=0, Total=8190 [2020-10-12 17:28:19,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2021 states. [2020-10-12 17:28:19,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2021 to 621. [2020-10-12 17:28:19,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-10-12 17:28:19,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 838 transitions. [2020-10-12 17:28:19,901 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 838 transitions. Word has length 160 [2020-10-12 17:28:19,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:28:19,901 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 838 transitions. [2020-10-12 17:28:19,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:28:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 838 transitions. [2020-10-12 17:28:19,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-12 17:28:19,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:28:19,905 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:28:19,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:28:19,906 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:28:19,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:28:19,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1654540281, now seen corresponding path program 2 times [2020-10-12 17:28:19,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:28:19,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935537390] [2020-10-12 17:28:19,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:28:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:28:20,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:28:20,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:28:20,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:28:20,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:28:21,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking...