/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:35:09,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:35:09,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:35:09,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:35:09,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:35:09,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:35:09,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:35:09,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:35:09,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:35:09,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:35:09,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:35:09,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:35:09,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:35:09,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:35:09,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:35:09,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:35:09,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:35:09,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:35:09,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:35:09,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:35:09,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:35:09,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:35:09,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:35:09,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:35:09,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:35:09,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:35:09,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:35:09,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:35:09,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:35:09,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:35:09,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:35:09,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:35:09,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:35:09,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:35:09,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:35:09,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:35:09,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:35:09,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:35:09,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:35:09,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:35:09,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:35:09,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:35:09,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:35:09,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:35:09,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:35:09,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:35:09,809 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:35:09,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:35:09,810 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:35:09,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:35:09,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:35:09,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:35:09,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:35:09,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:35:09,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:35:09,813 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:35:09,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:35:09,814 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:35:09,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:35:09,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:35:09,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:35:09,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:35:09,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:35:09,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:35:09,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:35:09,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:35:09,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:35:09,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:35:09,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:35:09,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:35:09,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:35:09,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:35:10,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:35:10,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:35:10,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:35:10,351 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:35:10,351 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:35:10,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product25.cil.c [2020-10-27 21:35:10,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c3abcb96/3fd5dc834e824f27995598f2919dc75b/FLAG3f927ce42 [2020-10-27 21:35:11,206 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:35:11,206 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec4_product25.cil.c [2020-10-27 21:35:11,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c3abcb96/3fd5dc834e824f27995598f2919dc75b/FLAG3f927ce42 [2020-10-27 21:35:11,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c3abcb96/3fd5dc834e824f27995598f2919dc75b [2020-10-27 21:35:11,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:35:11,393 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:35:11,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:35:11,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:35:11,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:35:11,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:35:11" (1/1) ... [2020-10-27 21:35:11,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e412b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:11, skipping insertion in model container [2020-10-27 21:35:11,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:35:11" (1/1) ... [2020-10-27 21:35:11,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:35:11,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:35:12,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:35:12,170 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:35:12,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:35:12,494 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:35:12,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:12 WrapperNode [2020-10-27 21:35:12,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:35:12,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:35:12,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:35:12,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:35:12,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:12" (1/1) ... [2020-10-27 21:35:12,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:12" (1/1) ... [2020-10-27 21:35:12,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:12" (1/1) ... [2020-10-27 21:35:12,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:12" (1/1) ... [2020-10-27 21:35:12,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:12" (1/1) ... [2020-10-27 21:35:12,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:12" (1/1) ... [2020-10-27 21:35:12,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:12" (1/1) ... [2020-10-27 21:35:12,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:35:12,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:35:12,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:35:12,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:35:12,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:35:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:35:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:35:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:35:12,816 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:35:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:35:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:35:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:35:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:35:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:35:12,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:35:12,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:35:12,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2020-10-27 21:35:12,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-27 21:35:12,818 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:35:12,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:35:12,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:35:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:35:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:35:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:35:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2020-10-27 21:35:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:35:12,819 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:35:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 21:35:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 21:35:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:35:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:35:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:35:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:35:12,820 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:35:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:35:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:35:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:35:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:35:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 21:35:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 21:35:12,821 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 21:35:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 21:35:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:35:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:35:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:35:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:35:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:35:12,822 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:35:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:35:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:35:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:35:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:35:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:35:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:35:12,823 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:35:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:35:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:35:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:35:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:35:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:35:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:35:12,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:35:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:35:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:35:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:35:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:35:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:35:12,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:35:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:35:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:35:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:35:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:35:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:35:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:35:12,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:35:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:35:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:35:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:35:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:35:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:35:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:35:12,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:35:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 21:35:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 21:35:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2020-10-27 21:35:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:35:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:35:12,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:35:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:35:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:35:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:35:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:35:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:35:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:35:12,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:35:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:35:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:35:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:35:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:35:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:35:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:35:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:35:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:35:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:35:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:35:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:35:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:35:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:35:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:35:12,831 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:35:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:35:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:35:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:35:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:35:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:35:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:35:12,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:35:12,833 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:35:12,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:35:12,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:35:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:35:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:35:12,833 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:35:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:35:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:35:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:35:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:35:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:35:12,834 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:35:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:35:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:35:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:35:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:35:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:35:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:35:12,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:35:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:35:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:35:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:35:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:35:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:35:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:35:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:35:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:35:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:35:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:35:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:35:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:35:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:35:12,837 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:35:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:35:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:35:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:35:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:35:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2020-10-27 21:35:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-27 21:35:12,838 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:35:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:35:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:35:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:35:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:35:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:35:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:35:12,839 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:35:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:35:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:35:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:35:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:35:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:35:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:35:12,840 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:35:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:35:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:35:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:35:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:35:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:35:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:35:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:35:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:35:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:35:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 21:35:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 21:35:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 21:35:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 21:35:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2020-10-27 21:35:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:35:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2020-10-27 21:35:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 21:35:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 21:35:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:35:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:35:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:35:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:35:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:35:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:35:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:35:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:35:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:35:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:35:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:35:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:35:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:35:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:35:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:35:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:35:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:35:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:35:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:35:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:35:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:35:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:35:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:35:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:35:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:35:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:35:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:35:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:35:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:35:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:35:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:35:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:35:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:35:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:35:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:35:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:35:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:35:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:35:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:35:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:35:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 21:35:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 21:35:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:35:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:35:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:35:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:35:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:35:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:35:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:35:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:35:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:35:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:35:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:35:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:35:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:35:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:35:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:35:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:35:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:35:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:35:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:35:15,807 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:35:15,807 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:35:15,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:35:15 BoogieIcfgContainer [2020-10-27 21:35:15,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:35:15,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:35:15,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:35:15,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:35:15,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:35:11" (1/3) ... [2020-10-27 21:35:15,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf92cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:35:15, skipping insertion in model container [2020-10-27 21:35:15,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:35:12" (2/3) ... [2020-10-27 21:35:15,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf92cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:35:15, skipping insertion in model container [2020-10-27 21:35:15,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:35:15" (3/3) ... [2020-10-27 21:35:15,823 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product25.cil.c [2020-10-27 21:35:15,835 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:35:15,841 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:35:15,853 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:35:15,884 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:35:15,885 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:35:15,885 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:35:15,885 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:35:15,885 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:35:15,885 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:35:15,885 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:35:15,885 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:35:15,918 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2020-10-27 21:35:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-27 21:35:15,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:35:15,945 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:35:15,945 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:35:15,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:35:15,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1735522238, now seen corresponding path program 1 times [2020-10-27 21:35:15,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:35:15,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831814954] [2020-10-27 21:35:15,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:35:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:16,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:16,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:17,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:17,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:17,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:21,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:21,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 21:35:21,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:35:21,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-27 21:35:21,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:21,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:21,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:35:21,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:21,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:35:24,086 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 21:35:24,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:35:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:24,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:24,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:24,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:35:24,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:24,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 21:35:24,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:24,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:24,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:24,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:24,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:24,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:35:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:24,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:24,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:24,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:35:24,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:24,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:35:24,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:24,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:24,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:35:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:24,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:24,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:24,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:35:24,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:24,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:35:24,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:24,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:24,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:35:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:24,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:24,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:24,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:35:24,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:24,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:35:24,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:24,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:24,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:24,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:24,416 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-27 21:35:24,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:35:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:24,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:24,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:24,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:24,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:26,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:35:29,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:35:29,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:35:29,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:35:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:35:29,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 21:35:29,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:35:29,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:29,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:35:29,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:29,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:29,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:35:29,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:29,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:35:29,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:29,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:29,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:29,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:35:29,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:29,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:29,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:29,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:35:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:29,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:29,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:35:29,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:29,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:29,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:29,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:35:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:35:29,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:29,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:35:29,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:29,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:29,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:29,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:35:29,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:29,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:35:29,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:29,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:29,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:29,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:29,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:29,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:29,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:29,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:29,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:35:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:29,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:29,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:29,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:29,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:29,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:29,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:35:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:35:29,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:35:29,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-27 21:35:29,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:35:29,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:35:29,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:35:29,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:35:29,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:29,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 21:35:29,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:35:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:29,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 21:35:29,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:29,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:29,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:35:29,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:29,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:29,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:29,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:29,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:35:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:29,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:29,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:29,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:29,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:29,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:35:29,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:29,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:35:29,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:29,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:35:29,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:30,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:35:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:30,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:30,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:30,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:35:30,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:30,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:35:30,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:35:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:30,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:30,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:30,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:30,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:30,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:30,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:30,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:30,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:30,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:30,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:35:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:30,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:30,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:30,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:30,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:30,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:30,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:30,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:30,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:30,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:30,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:30,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:35:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:30,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:30,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:30,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:35:30,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:30,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:35:30,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:30,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:35:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:30,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:30,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:30,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:30,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:30,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:30,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:30,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:30,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:30,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:30,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:30,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:30,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:30,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:35:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:30,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:30,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:30,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:30,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:30,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:30,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:30,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:30,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:30,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:30,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:30,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:35:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:30,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:30,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:30,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:30,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:30,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:30,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:30,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:30,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:35:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:30,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:30,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:30,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:30,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:30,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:30,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:30,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:30,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:35:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:30,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:30,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:30,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:30,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:30,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:30,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:30,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:30,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:30,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:30,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:30,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 21:35:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:30,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:30,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:30,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:30,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:30,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:30,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:30,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:30,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:30,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:30,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 21:35:30,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831814954] [2020-10-27 21:35:30,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:35:30,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 21:35:30,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477190548] [2020-10-27 21:35:30,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 21:35:30,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:35:30,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 21:35:30,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 21:35:30,372 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 16 states. [2020-10-27 21:35:33,641 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:35:36,721 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:35:40,444 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:36:10,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:36:10,479 INFO L93 Difference]: Finished difference Result 1613 states and 2498 transitions. [2020-10-27 21:36:10,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-27 21:36:10,486 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 158 [2020-10-27 21:36:10,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:36:10,512 INFO L225 Difference]: With dead ends: 1613 [2020-10-27 21:36:10,512 INFO L226 Difference]: Without dead ends: 941 [2020-10-27 21:36:10,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=923, Invalid=3237, Unknown=0, NotChecked=0, Total=4160 [2020-10-27 21:36:10,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-27 21:36:10,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 561. [2020-10-27 21:36:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-10-27 21:36:10,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 764 transitions. [2020-10-27 21:36:10,953 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 764 transitions. Word has length 158 [2020-10-27 21:36:10,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:36:10,954 INFO L481 AbstractCegarLoop]: Abstraction has 561 states and 764 transitions. [2020-10-27 21:36:10,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 21:36:10,954 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 764 transitions. [2020-10-27 21:36:10,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-27 21:36:10,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:36:10,975 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:36:10,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:36:10,976 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:36:10,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:36:10,977 INFO L82 PathProgramCache]: Analyzing trace with hash 944757209, now seen corresponding path program 1 times [2020-10-27 21:36:10,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:36:10,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797301051] [2020-10-27 21:36:10,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:36:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:11,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:11,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:11,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:11,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:11,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:13,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:13,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:16,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:16,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 21:36:16,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:36:16,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-27 21:36:16,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:36:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:36:16,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:36:16,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:18,277 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 21:36:18,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:36:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:18,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:18,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:18,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:36:18,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:18,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 21:36:18,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:18,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:18,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:36:18,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:36:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:18,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:18,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:18,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:36:18,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:18,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:18,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:18,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:18,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:18,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:18,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:18,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:36:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:18,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:18,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:18,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:36:18,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:18,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:18,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:18,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:18,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:18,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:18,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:18,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:36:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:18,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:18,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:18,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:36:18,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:18,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:18,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:18,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:18,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:18,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:18,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:18,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:36:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:18,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:18,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:18,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:18,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:18,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:22,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:22,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:36:23,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:36:23,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 21:36:23,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:36:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:36:23,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:36:23,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:23,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:23,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:36:23,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:23,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:36:23,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:23,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:23,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:23,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:23,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:36:23,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:23,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:36:23,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:23,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:23,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:23,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:23,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:23,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:23,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:23,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:23,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:36:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:23,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:23,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:23,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:36:23,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:23,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:23,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:36:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:23,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:36:23,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:23,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:36:23,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:23,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:23,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:23,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:23,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:36:23,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:23,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:36:23,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:23,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:23,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:23,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:23,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:23,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:23,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:23,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:23,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:23,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:23,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:23,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:23,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:36:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:23,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:23,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:23,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:23,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:23,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:23,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:36:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:23,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:36:23,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:36:23,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 21:36:23,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:36:23,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:36:23,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:36:23,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:23,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:23,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:36:23,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:23,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:36:23,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:36:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:36:23,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:23,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:23,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:23,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:23,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:23,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:23,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 21:36:23,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:36:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:36:23,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:36:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:24,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:24,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:24,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:36:24,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:24,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:36:24,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:24,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:36:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:36:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:36:24,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:36:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:24,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:24,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:24,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:36:24,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:24,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:36:24,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:24,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:24,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:36:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:24,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:24,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:24,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:24,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:24,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:24,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:24,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:24,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:24,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:24,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:24,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:36:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:24,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:24,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:24,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:24,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:24,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:24,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:24,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:36:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:24,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:24,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:24,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:36:24,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:24,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:36:24,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:24,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:36:24,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:24,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:24,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:24,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:24,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:24,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:24,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:24,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:24,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:36:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:24,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:24,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:24,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:24,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:24,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:24,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:24,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:24,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:24,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 21:36:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:24,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:24,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:24,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:24,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:24,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:36:24,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:24,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:24,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:24,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:24,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 21:36:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:24,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:24,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:24,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:24,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:24,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:24,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:24,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 21:36:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:24,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:24,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:24,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:24,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:24,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:24,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:24,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:24,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:24,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:24,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 21:36:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:24,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:24,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:24,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:24,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:24,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:24,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:24,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:24,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:24,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:24,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:24,390 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 21:36:24,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797301051] [2020-10-27 21:36:24,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:36:24,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:36:24,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632901933] [2020-10-27 21:36:24,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:36:24,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:36:24,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:36:24,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:36:24,396 INFO L87 Difference]: Start difference. First operand 561 states and 764 transitions. Second operand 19 states. [2020-10-27 21:36:28,400 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 21:36:31,012 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:36:34,531 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:36:37,983 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:37:00,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:37:00,576 INFO L93 Difference]: Finished difference Result 1456 states and 2139 transitions. [2020-10-27 21:37:00,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 21:37:00,577 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 160 [2020-10-27 21:37:00,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:37:00,587 INFO L225 Difference]: With dead ends: 1456 [2020-10-27 21:37:00,587 INFO L226 Difference]: Without dead ends: 951 [2020-10-27 21:37:00,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=339, Invalid=1301, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 21:37:00,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2020-10-27 21:37:00,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 570. [2020-10-27 21:37:00,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-10-27 21:37:00,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 780 transitions. [2020-10-27 21:37:00,892 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 780 transitions. Word has length 160 [2020-10-27 21:37:00,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:37:00,893 INFO L481 AbstractCegarLoop]: Abstraction has 570 states and 780 transitions. [2020-10-27 21:37:00,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:37:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 780 transitions. [2020-10-27 21:37:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 21:37:00,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:37:00,897 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:37:00,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:37:00,898 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:37:00,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:37:00,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1513977546, now seen corresponding path program 1 times [2020-10-27 21:37:00,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:37:00,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131750520] [2020-10-27 21:37:00,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:37:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:00,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:01,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:01,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:01,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:01,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:01,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:02,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:06,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:06,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 21:37:06,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:37:06,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-27 21:37:06,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:06,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:37:06,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:37:06,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:37:06,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:08,282 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 21:37:08,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:37:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:08,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:08,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:37:08,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:08,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 21:37:08,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:08,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:08,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:37:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:08,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:08,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:37:08,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:08,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:37:08,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:08,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:08,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:37:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:08,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:08,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:37:08,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:08,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:37:08,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:08,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:08,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:37:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:08,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:08,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:37:08,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:08,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:37:08,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:08,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:08,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:08,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:08,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:37:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:08,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:08,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:37:13,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:37:13,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:37:13,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:37:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:37:13,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:37:13,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:37:13,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:37:13,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:13,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:37:13,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:37:13,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:13,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:13,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:13,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:13,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:13,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:37:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:13,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:13,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:13,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:13,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:37:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:37:13,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:37:13,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:13,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:37:13,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:37:13,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:13,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:13,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:13,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:13,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:13,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:13,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:37:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:13,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:37:13,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:37:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:37:13,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 21:37:13,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:37:13,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:37:13,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:37:13,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:37:13,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:37:13,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:37:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:13,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:37:13,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:13,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:37:13,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:37:13,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:13,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:37:13,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:13,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:37:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:13,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:13,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:13,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:37:13,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:13,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 21:37:13,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:13,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:37:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:37:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:37:13,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:37:14,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 21:37:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:14,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:14,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:14,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:37:14,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:14,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:37:14,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:14,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:14,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:37:14,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:14,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:14,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:14,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:14,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:14,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:14,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:14,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:14,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:14,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:14,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:14,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:14,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:14,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:37:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:14,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:14,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:14,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:14,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:14,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:37:14,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:14,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:14,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 21:37:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:14,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:14,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:14,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:37:14,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:14,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:37:14,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:14,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:14,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:37:14,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:14,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:14,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:37:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:14,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:14,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:14,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:14,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:14,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:37:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:14,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:14,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:37:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:14,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:14,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:14,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:14,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:14,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:14,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:14,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:14,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:14,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:14,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:14,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:37:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:14,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:14,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:14,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:14,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:14,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:14,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:14,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:14,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:14,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:14,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:14,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:37:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:14,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:14,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:14,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:14,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:14,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:14,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:14,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:14,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:14,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 21:37:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:14,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:14,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:14,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:14,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:14,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:14,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:14,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:14,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:14,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 21:37:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:14,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:14,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:37:14,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:37:14,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:37:14,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:37:14,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:37:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:37:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:37:14,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:37:14,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:37:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 21:37:14,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131750520] [2020-10-27 21:37:14,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:37:14,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 21:37:14,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291425105] [2020-10-27 21:37:14,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 21:37:14,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:37:14,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 21:37:14,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-27 21:37:14,295 INFO L87 Difference]: Start difference. First operand 570 states and 780 transitions. Second operand 20 states. [2020-10-27 21:37:18,323 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:37:21,020 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 581 [2020-10-27 21:37:23,403 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 585 [2020-10-27 21:37:26,725 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:37:29,960 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:37:32,119 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:37:56,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:37:56,799 INFO L93 Difference]: Finished difference Result 1520 states and 2244 transitions. [2020-10-27 21:37:56,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 21:37:56,801 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 167 [2020-10-27 21:37:56,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:37:56,810 INFO L225 Difference]: With dead ends: 1520 [2020-10-27 21:37:56,810 INFO L226 Difference]: Without dead ends: 1008 [2020-10-27 21:37:56,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=430, Invalid=1640, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 21:37:56,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2020-10-27 21:37:57,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 610. [2020-10-27 21:37:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2020-10-27 21:37:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 846 transitions. [2020-10-27 21:37:57,104 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 846 transitions. Word has length 167 [2020-10-27 21:37:57,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:37:57,105 INFO L481 AbstractCegarLoop]: Abstraction has 610 states and 846 transitions. [2020-10-27 21:37:57,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 21:37:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 846 transitions. [2020-10-27 21:37:57,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-27 21:37:57,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:37:57,110 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:37:57,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:37:57,110 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:37:57,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:37:57,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1287801308, now seen corresponding path program 1 times [2020-10-27 21:37:57,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:37:57,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129225531] [2020-10-27 21:37:57,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:37:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:57,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:57,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:57,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:57,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:57,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:57,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:02,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:02,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-27 21:38:02,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:38:02,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 21:38:02,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:02,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:38:02,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:38:02,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:38:02,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:04,384 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 21:38:04,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:38:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:04,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:04,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:04,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:38:04,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:04,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 21:38:04,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:04,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:04,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:04,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:38:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:04,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:04,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:04,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:38:04,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:04,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:38:04,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:04,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:04,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:04,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:04,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:04,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:38:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:04,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:04,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:04,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:38:04,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:04,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:38:04,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:04,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:04,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:04,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:04,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:04,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:38:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:04,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:04,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:04,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:38:04,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:04,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:38:04,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:04,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:04,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:38:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:04,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:04,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:04,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:04,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:05,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:38:09,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:38:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 21:38:09,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:38:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:38:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:38:09,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:09,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:09,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:38:09,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:09,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:38:09,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:09,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:09,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:09,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:09,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:09,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:38:09,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:09,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:38:09,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:09,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:09,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:09,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:09,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:09,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:09,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:09,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:09,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:09,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:09,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:09,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:38:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:09,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:09,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:09,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:09,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:38:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:09,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:38:09,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:09,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:38:09,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:09,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:09,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:09,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:38:09,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:09,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:38:09,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:09,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:09,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:09,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:09,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:38:09,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:09,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:38:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:09,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:09,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:09,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:09,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:09,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:09,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:38:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:09,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:38:09,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:38:09,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 21:38:09,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:38:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:38:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:38:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:09,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:09,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:38:09,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:09,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:38:09,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:38:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:38:09,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:09,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:09,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:09,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:09,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:38:09,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:38:09,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:38:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:09,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:38:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:38:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:10,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:10,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:10,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:38:10,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:10,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:38:10,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:38:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:38:10,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 21:38:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:10,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:10,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:10,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:38:10,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:10,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:38:10,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:38:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:10,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:10,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:10,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:10,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:10,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:10,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:10,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:10,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:10,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:38:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:10,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:10,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:10,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:10,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:10,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:10,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:10,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:10,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:10,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:10,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:38:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:10,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:10,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:10,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:38:10,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:10,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:38:10,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:38:10,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:10,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:38:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:10,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:10,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:10,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:10,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:10,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:38:10,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:38:10,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:10,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:38:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:10,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:10,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:10,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:10,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:10,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:10,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:38:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:10,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:38:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:10,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:10,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:10,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:10,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:10,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:10,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:38:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:10,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 21:38:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:10,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:10,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:10,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:10,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:10,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:10,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:10,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:10,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:38:10,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:10,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 21:38:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:10,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:10,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:10,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:10,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:10,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:10,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:38:10,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:10,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 21:38:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:38:10,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:38:10,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:38:10,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:38:10,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:38:10,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:38:10,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:38:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:38:10,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:38:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:38:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:38:10,338 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 21:38:10,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129225531] [2020-10-27 21:38:10,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:38:10,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:38:10,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801486451] [2020-10-27 21:38:10,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:38:10,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:38:10,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:38:10,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:38:10,341 INFO L87 Difference]: Start difference. First operand 610 states and 846 transitions. Second operand 19 states. [2020-10-27 21:38:15,511 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:38:19,117 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 21:38:21,239 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 21:38:23,381 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 21:38:25,508 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 21:38:29,508 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 576