/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec8_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:29:22,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:29:22,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:29:22,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:29:22,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:29:22,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:29:22,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:29:22,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:29:22,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:29:22,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:29:22,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:29:22,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:29:22,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:29:22,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:29:22,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:29:22,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:29:22,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:29:22,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:29:22,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:29:22,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:29:22,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:29:22,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:29:22,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:29:22,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:29:22,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:29:22,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:29:22,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:29:22,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:29:22,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:29:22,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:29:22,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:29:22,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:29:22,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:29:22,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:29:22,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:29:22,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:29:22,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:29:22,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:29:22,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:29:22,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:29:22,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:29:22,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 16:29:22,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:29:22,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:29:22,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:29:22,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:29:22,822 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:29:22,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:29:22,823 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:29:22,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:29:22,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:29:22,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:29:22,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:29:22,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:29:22,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:29:22,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:29:22,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:29:22,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:29:22,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:29:22,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:29:22,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:29:22,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:29:22,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:29:22,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:29:22,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:29:22,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:29:22,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:29:22,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:29:22,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:29:22,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:29:22,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:29:22,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:29:23,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:29:23,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:29:23,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:29:23,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:29:23,242 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:29:23,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product16.cil.c [2020-10-28 16:29:23,328 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86aeaf96a/55eb23cbb18c43b6abf25ce0599b4efc/FLAG4362adcd8 [2020-10-28 16:29:24,161 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:29:24,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec8_product16.cil.c [2020-10-28 16:29:24,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86aeaf96a/55eb23cbb18c43b6abf25ce0599b4efc/FLAG4362adcd8 [2020-10-28 16:29:24,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/86aeaf96a/55eb23cbb18c43b6abf25ce0599b4efc [2020-10-28 16:29:24,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:29:24,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:29:24,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:29:24,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:29:24,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:29:24,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:29:24" (1/1) ... [2020-10-28 16:29:24,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12757672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:24, skipping insertion in model container [2020-10-28 16:29:24,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:29:24" (1/1) ... [2020-10-28 16:29:24,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:29:24,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:29:25,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:29:25,215 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:29:25,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:29:25,419 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:29:25,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:25 WrapperNode [2020-10-28 16:29:25,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:29:25,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:29:25,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:29:25,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:29:25,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:25" (1/1) ... [2020-10-28 16:29:25,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:25" (1/1) ... [2020-10-28 16:29:25,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:25" (1/1) ... [2020-10-28 16:29:25,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:25" (1/1) ... [2020-10-28 16:29:25,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:25" (1/1) ... [2020-10-28 16:29:25,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:25" (1/1) ... [2020-10-28 16:29:25,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:25" (1/1) ... [2020-10-28 16:29:25,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:29:25,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:29:25,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:29:25,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:29:25,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:29:25,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:29:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:29:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:29:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:29:25,696 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-28 16:29:25,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-28 16:29:25,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-28 16:29:25,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-28 16:29:25,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-28 16:29:25,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-28 16:29:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-28 16:29:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-28 16:29:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-28 16:29:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-28 16:29:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-28 16:29:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-28 16:29:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-28 16:29:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-28 16:29:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-28 16:29:25,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-28 16:29:25,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-28 16:29:25,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-28 16:29:25,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-28 16:29:25,701 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-28 16:29:25,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-28 16:29:25,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-28 16:29:25,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-28 16:29:25,702 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-28 16:29:25,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-28 16:29:25,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-28 16:29:25,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-28 16:29:25,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-28 16:29:25,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-28 16:29:25,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-28 16:29:25,703 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-28 16:29:25,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-28 16:29:25,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-28 16:29:25,703 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-28 16:29:25,703 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-28 16:29:25,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:29:25,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:29:25,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:29:25,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:29:25,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:29:25,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:29:25,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-28 16:29:25,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-28 16:29:25,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-28 16:29:25,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-28 16:29:25,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-28 16:29:25,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-28 16:29:25,705 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-28 16:29:25,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-28 16:29:25,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:29:25,706 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:29:25,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-28 16:29:25,707 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-28 16:29:25,707 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-28 16:29:25,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-28 16:29:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-28 16:29:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-28 16:29:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-28 16:29:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-28 16:29:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-28 16:29:25,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-28 16:29:25,709 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-28 16:29:25,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-28 16:29:25,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-28 16:29:25,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-28 16:29:25,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-28 16:29:25,710 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-28 16:29:25,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-28 16:29:25,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-28 16:29:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-28 16:29:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-28 16:29:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-28 16:29:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-28 16:29:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-28 16:29:25,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-28 16:29:25,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-28 16:29:25,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-28 16:29:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-28 16:29:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-28 16:29:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-28 16:29:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-28 16:29:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-28 16:29:25,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:29:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-28 16:29:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-28 16:29:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:29:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:29:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:29:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:29:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:29:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-28 16:29:25,715 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-28 16:29:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-28 16:29:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-28 16:29:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-28 16:29:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-28 16:29:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-28 16:29:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-28 16:29:25,716 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-28 16:29:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-28 16:29:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-28 16:29:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-28 16:29:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-28 16:29:25,717 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-28 16:29:25,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-28 16:29:25,718 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-28 16:29:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-28 16:29:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:29:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:29:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:29:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:29:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:29:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-28 16:29:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-28 16:29:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-28 16:29:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-28 16:29:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-28 16:29:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-28 16:29:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-28 16:29:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-28 16:29:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-28 16:29:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-28 16:29:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-28 16:29:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-28 16:29:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-28 16:29:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-28 16:29:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-28 16:29:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-28 16:29:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-28 16:29:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-28 16:29:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-28 16:29:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-28 16:29:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-28 16:29:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-28 16:29:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-28 16:29:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-28 16:29:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-28 16:29:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-28 16:29:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-28 16:29:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-28 16:29:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-28 16:29:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:29:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-28 16:29:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-28 16:29:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-28 16:29:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-28 16:29:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-28 16:29:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-28 16:29:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-28 16:29:25,756 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-28 16:29:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-28 16:29:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-28 16:29:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-28 16:29:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-28 16:29:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-28 16:29:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:29:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:29:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:29:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:29:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:29:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:29:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:29:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:29:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:29:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:29:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:29:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:29:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:29:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:29:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:29:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-28 16:29:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:29:25,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:29:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:29:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-28 16:29:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-28 16:29:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-28 16:29:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-28 16:29:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-28 16:29:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-28 16:29:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-28 16:29:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-28 16:29:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-28 16:29:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-28 16:29:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-28 16:29:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:29:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:29:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:29:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-28 16:29:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-28 16:29:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-28 16:29:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-28 16:29:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-28 16:29:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-28 16:29:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-28 16:29:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-28 16:29:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-28 16:29:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-28 16:29:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-28 16:29:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-28 16:29:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-28 16:29:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-28 16:29:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-28 16:29:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-28 16:29:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-28 16:29:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-28 16:29:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-28 16:29:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-28 16:29:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-28 16:29:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-28 16:29:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-28 16:29:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-28 16:29:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-28 16:29:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-28 16:29:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-28 16:29:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:29:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-28 16:29:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-28 16:29:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:29:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-28 16:29:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-28 16:29:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-28 16:29:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-28 16:29:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-28 16:29:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-28 16:29:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-28 16:29:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-28 16:29:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-28 16:29:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-28 16:29:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-28 16:29:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:29:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:29:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:29:28,238 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:29:28,239 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 16:29:28,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:29:28 BoogieIcfgContainer [2020-10-28 16:29:28,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:29:28,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:29:28,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:29:28,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:29:28,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:29:24" (1/3) ... [2020-10-28 16:29:28,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e1700c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:29:28, skipping insertion in model container [2020-10-28 16:29:28,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:25" (2/3) ... [2020-10-28 16:29:28,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68e1700c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:29:28, skipping insertion in model container [2020-10-28 16:29:28,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:29:28" (3/3) ... [2020-10-28 16:29:28,252 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product16.cil.c [2020-10-28 16:29:28,264 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:29:28,270 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:29:28,284 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:29:28,314 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:29:28,315 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:29:28,315 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:29:28,315 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:29:28,315 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:29:28,315 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:29:28,315 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:29:28,316 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:29:28,345 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states. [2020-10-28 16:29:28,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 16:29:28,365 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:29:28,366 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:29:28,367 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:29:28,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:29:28,374 INFO L82 PathProgramCache]: Analyzing trace with hash -127294559, now seen corresponding path program 1 times [2020-10-28 16:29:28,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:29:28,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049711992] [2020-10-28 16:29:28,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:29:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:29,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:29,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:29,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:31,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:31,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:33,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:34,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:34,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 16:29:34,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:29:34,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5519 [2020-10-28 16:29:34,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:34,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:34,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:34,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-28 16:29:34,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:34,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 16:29:36,447 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:29:36,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:29:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:36,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:36,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:36,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:29:36,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:36,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 16:29:36,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:36,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:36,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:36,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:36,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:36,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:36,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:29:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:36,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:36,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:36,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:29:36,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:36,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:36,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:36,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:36,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:36,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:36,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:29:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:36,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:36,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:36,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:29:36,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:36,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:29:36,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:36,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:36,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:36,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:36,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:29:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:36,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:36,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:36,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:29:36,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:36,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:29:36,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:36,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:36,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:36,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:29:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:36,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:36,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:36,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:36,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:38,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:29:41,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:29:41,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 16:29:41,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:29:41,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:29:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:29:41,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:29:41,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:29:41,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:29:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:29:41,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:29:41,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:29:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:41,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:29:41,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:29:41,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:29:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:41,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:41,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:29:41,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:29:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:29:41,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:29:41,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:29:41,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:29:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:29:41,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:29:41,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:29:41,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:29:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:41,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:41,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:29:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:41,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:41,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:29:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:29:41,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:29:41,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:29:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:29:41,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:29:41,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:29:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:41,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:41,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:29:41,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:29:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:41,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:41,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 16:29:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:29:41,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:29:41,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:29:41,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:29:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:41,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:41,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:29:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:41,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:41,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:29:41,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 16:29:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:41,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:41,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:29:41,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 16:29:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:29:41,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:29:41,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:29:41,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 16:29:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:41,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:41,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:29:41,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:41,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:41,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-28 16:29:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:41,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:41,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:41,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:41,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:41,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:41,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:41,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:29:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:42,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:42,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 16:29:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:42,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:42,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:29:42,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:29:42,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:29:42,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:29:42,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:29:42,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:29:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:29:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:29:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:29:42,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:29:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:29:42,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049711992] [2020-10-28 16:29:42,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:29:42,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 16:29:42,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929694182] [2020-10-28 16:29:42,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 16:29:42,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:29:42,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 16:29:42,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:29:42,120 INFO L87 Difference]: Start difference. First operand 484 states. Second operand 10 states. [2020-10-28 16:30:00,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:30:00,512 INFO L93 Difference]: Finished difference Result 1042 states and 1512 transitions. [2020-10-28 16:30:00,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 16:30:00,514 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-28 16:30:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:30:00,539 INFO L225 Difference]: With dead ends: 1042 [2020-10-28 16:30:00,540 INFO L226 Difference]: Without dead ends: 725 [2020-10-28 16:30:00,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-10-28 16:30:00,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2020-10-28 16:30:00,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 458. [2020-10-28 16:30:00,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-10-28 16:30:00,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 606 transitions. [2020-10-28 16:30:00,890 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 606 transitions. Word has length 146 [2020-10-28 16:30:00,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:30:00,891 INFO L481 AbstractCegarLoop]: Abstraction has 458 states and 606 transitions. [2020-10-28 16:30:00,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 16:30:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 606 transitions. [2020-10-28 16:30:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-28 16:30:00,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:30:00,906 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:30:00,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:30:00,911 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:30:00,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:30:00,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1052464091, now seen corresponding path program 1 times [2020-10-28 16:30:00,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:30:00,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226619578] [2020-10-28 16:30:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:30:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:01,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:01,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:01,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:01,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:01,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:06,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:06,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-28 16:30:06,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:30:06,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-28 16:30:06,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:06,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:30:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:30:06,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:30:06,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:08,329 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:30:08,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:30:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:08,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:08,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:08,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:30:08,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:08,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 16:30:08,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:08,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:08,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:08,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:08,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:08,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:08,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:30:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:08,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:08,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:08,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:30:08,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:08,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:08,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:08,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:08,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:08,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:08,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:08,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:08,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:30:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:08,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:08,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:08,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:30:08,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:08,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:08,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:08,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:08,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:08,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:08,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:08,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:30:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:08,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:08,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:08,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:30:08,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:08,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:08,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:08,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:08,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:08,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:30:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:08,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:08,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:08,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:08,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:09,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:30:13,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:30:13,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:30:13,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:13,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:30:13,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:13,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:30:13,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:13,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:13,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:30:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:13,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:30:13,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:13,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:13,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:13,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:30:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:13,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:30:13,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:13,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:13,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 16:30:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:30:13,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:30:13,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:30:13,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:30:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:13,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 16:30:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:13,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 16:30:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:30:13,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:13,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:30:13,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 16:30:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:13,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 16:30:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:13,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 16:30:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:13,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:13,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:13,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:13,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:13,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:13,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:13,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:13,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:13,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:13,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:13,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:30:13,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226619578] [2020-10-28 16:30:13,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:30:13,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:30:13,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658507262] [2020-10-28 16:30:13,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:30:13,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:30:13,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:30:13,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:30:13,913 INFO L87 Difference]: Start difference. First operand 458 states and 606 transitions. Second operand 11 states. [2020-10-28 16:30:20,750 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:30:35,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:30:35,463 INFO L93 Difference]: Finished difference Result 954 states and 1342 transitions. [2020-10-28 16:30:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:30:35,464 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-28 16:30:35,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:30:35,471 INFO L225 Difference]: With dead ends: 954 [2020-10-28 16:30:35,472 INFO L226 Difference]: Without dead ends: 728 [2020-10-28 16:30:35,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2020-10-28 16:30:35,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-10-28 16:30:35,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 460. [2020-10-28 16:30:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-10-28 16:30:35,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 608 transitions. [2020-10-28 16:30:35,745 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 608 transitions. Word has length 147 [2020-10-28 16:30:35,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:30:35,746 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 608 transitions. [2020-10-28 16:30:35,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:30:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 608 transitions. [2020-10-28 16:30:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-28 16:30:35,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:30:35,750 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:30:35,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:30:35,750 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:30:35,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:30:35,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1196617969, now seen corresponding path program 1 times [2020-10-28 16:30:35,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:30:35,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054022290] [2020-10-28 16:30:35,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:30:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:35,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:35,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:36,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:36,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:36,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:36,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:40,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:40,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 16:30:40,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:30:40,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 16:30:40,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:40,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:30:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:30:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 16:30:40,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:42,979 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:30:42,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:30:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:43,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:43,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:43,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:30:43,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:43,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 16:30:43,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:43,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:43,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:43,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:30:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:43,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:43,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:43,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:30:43,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:43,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:30:43,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:43,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:43,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:43,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:43,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:30:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:43,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:43,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:43,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:30:43,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:43,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:30:43,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:43,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:43,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:43,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:30:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:43,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:43,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:43,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:30:43,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:43,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:30:43,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:43,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:43,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:43,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:43,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:43,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:43,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:30:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:43,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:43,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:43,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:43,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:44,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:30:48,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:30:48,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:30:48,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:48,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:30:48,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:48,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:48,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:48,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:48,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:30:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:48,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:30:48,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:48,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:48,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:48,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:48,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:30:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:48,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:30:48,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:48,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:48,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:48,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:48,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 16:30:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:30:48,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:30:48,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:30:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:48,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:30:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:48,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:48,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 16:30:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:48,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:48,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 16:30:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:30:48,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:48,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:30:48,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 16:30:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:48,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:48,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:30:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:48,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-28 16:30:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:48,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:48,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:48,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:48,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:48,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:30:48,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:48,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:30:48,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054022290] [2020-10-28 16:30:48,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:30:48,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 16:30:48,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808806471] [2020-10-28 16:30:48,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 16:30:48,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:30:48,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 16:30:48,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:30:48,535 INFO L87 Difference]: Start difference. First operand 460 states and 608 transitions. Second operand 12 states. [2020-10-28 16:30:53,562 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:30:55,883 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:31:10,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:31:10,786 INFO L93 Difference]: Finished difference Result 1013 states and 1443 transitions. [2020-10-28 16:31:10,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:31:10,787 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 153 [2020-10-28 16:31:10,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:31:10,795 INFO L225 Difference]: With dead ends: 1013 [2020-10-28 16:31:10,795 INFO L226 Difference]: Without dead ends: 787 [2020-10-28 16:31:10,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2020-10-28 16:31:10,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-10-28 16:31:11,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 503. [2020-10-28 16:31:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2020-10-28 16:31:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 682 transitions. [2020-10-28 16:31:11,005 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 682 transitions. Word has length 153 [2020-10-28 16:31:11,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:31:11,005 INFO L481 AbstractCegarLoop]: Abstraction has 503 states and 682 transitions. [2020-10-28 16:31:11,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 16:31:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 682 transitions. [2020-10-28 16:31:11,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 16:31:11,008 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:31:11,009 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:31:11,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:31:11,009 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:31:11,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:31:11,010 INFO L82 PathProgramCache]: Analyzing trace with hash 636130115, now seen corresponding path program 2 times [2020-10-28 16:31:11,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:31:11,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111523230] [2020-10-28 16:31:11,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:31:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:11,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:11,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:11,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:11,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:11,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:11,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:14,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:14,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:16,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:16,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-28 16:31:16,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 16:31:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-28 16:31:16,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:16,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:16,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:31:16,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:31:16,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:31:16,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,282 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:31:18,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:31:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:31:18,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:31:18,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:31:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:31:18,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:18,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:31:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:31:18,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:18,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:31:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:31:18,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:18,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:31:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:19,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:31:23,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:31:23,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4786 [2020-10-28 16:31:23,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:23,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:31:23,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:23,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:31:23,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:31:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:23,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:31:23,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:23,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:31:23,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:31:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:23,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:31:23,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:23,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:31:23,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 16:31:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:31:23,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:31:23,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:31:23,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:31:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:23,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 16:31:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:23,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:23,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 16:31:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:31:23,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:31:23,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:31:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 16:31:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:23,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 16:31:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:23,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:23,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:23,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:23,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:23,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:23,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:23,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:23,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-28 16:31:23,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111523230] [2020-10-28 16:31:23,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:31:23,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:31:23,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567882586] [2020-10-28 16:31:23,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:31:23,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:31:23,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:31:23,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:31:23,576 INFO L87 Difference]: Start difference. First operand 503 states and 682 transitions. Second operand 11 states. [2020-10-28 16:31:29,100 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:31:44,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:31:44,044 INFO L93 Difference]: Finished difference Result 1343 states and 1996 transitions. [2020-10-28 16:31:44,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:31:44,045 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-10-28 16:31:44,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:31:44,053 INFO L225 Difference]: With dead ends: 1343 [2020-10-28 16:31:44,053 INFO L226 Difference]: Without dead ends: 910 [2020-10-28 16:31:44,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:31:44,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2020-10-28 16:31:44,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 545. [2020-10-28 16:31:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-10-28 16:31:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 752 transitions. [2020-10-28 16:31:44,299 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 752 transitions. Word has length 159 [2020-10-28 16:31:44,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:31:44,300 INFO L481 AbstractCegarLoop]: Abstraction has 545 states and 752 transitions. [2020-10-28 16:31:44,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:31:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 752 transitions. [2020-10-28 16:31:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-28 16:31:44,303 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:31:44,304 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:31:44,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:31:44,304 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:31:44,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:31:44,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1401425164, now seen corresponding path program 1 times [2020-10-28 16:31:44,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:31:44,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [655622915] [2020-10-28 16:31:44,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:31:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:44,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:44,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:44,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:44,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:44,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:44,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:46,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:46,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:46,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:46,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:46,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:46,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:46,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:46,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:49,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:49,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-28 16:31:49,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-28 16:31:49,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 16:31:49,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:49,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:31:49,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:31:49,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 16:31:49,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:51,524 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:31:51,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:31:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:51,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:51,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:51,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:31:51,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:51,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-28 16:31:51,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:51,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:51,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:51,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:51,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:31:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:51,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:51,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:51,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:31:51,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:51,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:51,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:51,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:51,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:51,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:51,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:31:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:51,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:51,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:51,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:31:51,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:51,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:51,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:51,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:51,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:51,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:51,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:51,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:31:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:51,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:51,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:51,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:31:51,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:51,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:51,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:51,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:51,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:51,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:51,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:31:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:51,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:51,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:51,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:31:56,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:31:56,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4823 [2020-10-28 16:31:56,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:56,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:31:56,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:56,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:31:56,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:31:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:56,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:31:56,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:56,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:31:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:56,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:31:56,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:56,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:31:56,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:56,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 16:31:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:31:56,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:31:56,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:31:56,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:31:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:56,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 16:31:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:56,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 16:31:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:31:56,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:31:56,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 16:31:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:56,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-28 16:31:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-28 16:31:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:56,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:56,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:56,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:56,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:56,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:56,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:56,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:56,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:56,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:56,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:56,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:56,847 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:31:56,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [655622915] [2020-10-28 16:31:56,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:31:56,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:31:56,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804648782] [2020-10-28 16:31:56,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:31:56,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:31:56,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:31:56,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:31:56,848 INFO L87 Difference]: Start difference. First operand 545 states and 752 transitions. Second operand 11 states. [2020-10-28 16:32:02,947 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:32:21,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:32:21,344 INFO L93 Difference]: Finished difference Result 1371 states and 2124 transitions. [2020-10-28 16:32:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:32:21,345 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-28 16:32:21,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:32:21,354 INFO L225 Difference]: With dead ends: 1371 [2020-10-28 16:32:21,355 INFO L226 Difference]: Without dead ends: 1145 [2020-10-28 16:32:21,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:32:21,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2020-10-28 16:32:21,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 624. [2020-10-28 16:32:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-28 16:32:21,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 885 transitions. [2020-10-28 16:32:21,685 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 885 transitions. Word has length 160 [2020-10-28 16:32:21,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:32:21,686 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 885 transitions. [2020-10-28 16:32:21,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:32:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 885 transitions. [2020-10-28 16:32:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-28 16:32:21,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:32:21,690 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:32:21,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:32:21,690 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:32:21,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:32:21,691 INFO L82 PathProgramCache]: Analyzing trace with hash -292000677, now seen corresponding path program 1 times [2020-10-28 16:32:21,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:32:21,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50469166] [2020-10-28 16:32:21,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:32:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:21,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:21,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:21,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:21,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:22,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:22,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:26,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:26,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-28 16:32:26,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:32:26,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 16:32:26,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:26,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:32:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-28 16:32:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:32:26,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:28,987 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-28 16:32:28,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:32:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:29,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:29,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:29,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:32:29,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:29,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 16:32:29,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:29,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:29,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:29,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:29,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:29,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:29,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:32:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:29,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:29,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:29,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:32:29,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:29,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:32:29,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:29,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:29,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:29,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:29,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:29,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:29,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:32:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:29,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:29,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:29,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:32:29,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:29,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:32:29,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:29,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:29,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:29,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:29,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:32:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:29,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:29,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:29,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:32:29,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:29,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:32:29,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:29,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:29,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:29,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:29,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:29,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:29,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:32:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:29,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:29,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:29,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:30,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:32:33,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:32:33,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4420 [2020-10-28 16:32:33,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:32:33,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:32:33,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:32:33,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:32:33,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:32:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:32:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:32:33,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:32:33,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:32:33,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:32:33,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:32:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:32:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:32:33,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:32:33,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:32:33,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:32:33,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:32:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 16:32:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:32:33,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:32:33,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:32:33,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:32:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 16:32:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:32:33,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:32:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 16:32:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:32:33,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:32:33,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 16:32:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:32:33,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 16:32:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:32:33,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 16:32:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:33,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:33,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:33,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:33,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:33,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:33,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:33,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:32:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:33,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:32:33,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50469166] [2020-10-28 16:32:33,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:32:33,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:32:33,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974496748] [2020-10-28 16:32:33,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:32:33,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:32:33,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:32:33,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:32:33,902 INFO L87 Difference]: Start difference. First operand 624 states and 885 transitions. Second operand 11 states. [2020-10-28 16:32:39,845 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-28 16:32:58,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:32:58,801 INFO L93 Difference]: Finished difference Result 2127 states and 3473 transitions. [2020-10-28 16:32:58,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:32:58,803 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2020-10-28 16:32:58,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:32:58,814 INFO L225 Difference]: With dead ends: 2127 [2020-10-28 16:32:58,815 INFO L226 Difference]: Without dead ends: 1615 [2020-10-28 16:32:58,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:32:58,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2020-10-28 16:32:59,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 782. [2020-10-28 16:32:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2020-10-28 16:32:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1151 transitions. [2020-10-28 16:32:59,502 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1151 transitions. Word has length 161 [2020-10-28 16:32:59,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:32:59,502 INFO L481 AbstractCegarLoop]: Abstraction has 782 states and 1151 transitions. [2020-10-28 16:32:59,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:32:59,502 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1151 transitions. [2020-10-28 16:32:59,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-28 16:32:59,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:32:59,508 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:32:59,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:32:59,508 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:32:59,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:32:59,509 INFO L82 PathProgramCache]: Analyzing trace with hash 82701832, now seen corresponding path program 1 times [2020-10-28 16:32:59,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:32:59,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474109034] [2020-10-28 16:32:59,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:32:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:59,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:59,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:59,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:59,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:59,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:59,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:00,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:00,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:01,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:01,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:01,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:01,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:01,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking...