/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:01:31,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:01:31,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:01:31,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:01:31,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:01:31,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:01:31,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:01:31,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:01:31,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:01:31,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:01:31,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:01:31,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:01:31,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:01:31,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:01:31,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:01:31,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:01:31,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:01:31,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:01:31,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:01:31,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:01:31,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:01:31,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:01:31,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:01:31,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:01:31,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:01:31,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:01:31,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:01:31,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:01:31,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:01:31,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:01:31,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:01:31,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:01:31,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:01:31,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:01:31,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:01:31,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:01:31,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:01:31,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:01:31,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:01:31,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:01:31,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:01:31,725 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 [2020-09-24 19:01:31,771 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:01:31,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:01:31,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:01:31,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:01:31,774 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:01:31,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:01:31,775 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:01:31,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:01:31,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:01:31,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:01:31,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:01:31,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:01:31,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:01:31,777 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:01:31,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:01:31,779 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:01:31,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:01:31,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:01:31,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:01:31,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:01:31,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:01:31,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:01:31,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:01:31,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:01:31,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:01:31,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:01:31,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:01:31,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:01:31,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:01:31,782 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:01:32,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:01:32,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:01:32,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:01:32,687 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:01:32,687 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:01:32,689 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-24 19:01:32,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2719ac686/7ec5879345484122a6c1449fb353ab36/FLAGbd15b9c39 [2020-09-24 19:01:33,536 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:01:33,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-24 19:01:33,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2719ac686/7ec5879345484122a6c1449fb353ab36/FLAGbd15b9c39 [2020-09-24 19:01:33,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2719ac686/7ec5879345484122a6c1449fb353ab36 [2020-09-24 19:01:33,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:01:33,761 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:01:33,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:01:33,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:01:33,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:01:33,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:01:33" (1/1) ... [2020-09-24 19:01:33,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd36ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:01:33, skipping insertion in model container [2020-09-24 19:01:33,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:01:33" (1/1) ... [2020-09-24 19:01:33,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:01:33,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:01:34,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:01:34,583 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:01:34,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:01:34,810 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:01:34,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:01:34 WrapperNode [2020-09-24 19:01:34,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:01:34,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:01:34,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:01:34,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:01:34,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:01:34" (1/1) ... [2020-09-24 19:01:34,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:01:34" (1/1) ... [2020-09-24 19:01:34,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:01:34" (1/1) ... [2020-09-24 19:01:34,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:01:34" (1/1) ... [2020-09-24 19:01:34,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:01:34" (1/1) ... [2020-09-24 19:01:34,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:01:34" (1/1) ... [2020-09-24 19:01:34,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:01:34" (1/1) ... [2020-09-24 19:01:34,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:01:34,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:01:34,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:01:34,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:01:34,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:01:34" (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 [2020-09-24 19:01:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:01:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:01:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 19:01:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-09-24 19:01:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-09-24 19:01:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-09-24 19:01:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-09-24 19:01:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-09-24 19:01:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 19:01:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:01:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-09-24 19:01:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 19:01:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 19:01:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 19:01:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 19:01:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 19:01:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-09-24 19:01:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-09-24 19:01:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-09-24 19:01:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-09-24 19:01:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-09-24 19:01:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-09-24 19:01:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-09-24 19:01:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-09-24 19:01:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-09-24 19:01:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-09-24 19:01:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-09-24 19:01:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-09-24 19:01:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-09-24 19:01:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-09-24 19:01:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-09-24 19:01:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-09-24 19:01:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-09-24 19:01:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-09-24 19:01:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-09-24 19:01:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-09-24 19:01:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-09-24 19:01:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-09-24 19:01:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-09-24 19:01:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-09-24 19:01:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-09-24 19:01:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-09-24 19:01:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-09-24 19:01:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-09-24 19:01:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-09-24 19:01:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-09-24 19:01:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-09-24 19:01:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-09-24 19:01:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-09-24 19:01:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-24 19:01:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 19:01:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-09-24 19:01:35,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 19:01:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 19:01:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 19:01:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 19:01:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 19:01:35,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 19:01:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-09-24 19:01:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-09-24 19:01:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-09-24 19:01:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-09-24 19:01:35,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-09-24 19:01:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-09-24 19:01:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-09-24 19:01:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-09-24 19:01:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-09-24 19:01:35,075 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-09-24 19:01:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-09-24 19:01:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-09-24 19:01:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-09-24 19:01:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-09-24 19:01:35,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-09-24 19:01:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-09-24 19:01:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-09-24 19:01:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-09-24 19:01:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-09-24 19:01:35,077 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-09-24 19:01:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-09-24 19:01:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-09-24 19:01:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-09-24 19:01:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-09-24 19:01:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-09-24 19:01:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-09-24 19:01:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-09-24 19:01:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-09-24 19:01:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-09-24 19:01:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-09-24 19:01:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-09-24 19:01:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-09-24 19:01:35,080 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-09-24 19:01:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:01:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:01:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 19:01:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-24 19:01:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-09-24 19:01:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-09-24 19:01:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 19:01:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 19:01:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 19:01:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-09-24 19:01:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-09-24 19:01:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-09-24 19:01:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-09-24 19:01:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-09-24 19:01:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-09-24 19:01:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-09-24 19:01:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-09-24 19:01:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-09-24 19:01:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-09-24 19:01:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 19:01:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 19:01:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:01:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-09-24 19:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 19:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 19:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-09-24 19:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-09-24 19:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-09-24 19:01:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-09-24 19:01:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-09-24 19:01:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-09-24 19:01:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-09-24 19:01:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-09-24 19:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-09-24 19:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-09-24 19:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-09-24 19:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-09-24 19:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-09-24 19:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-09-24 19:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-09-24 19:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-09-24 19:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-09-24 19:01:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-09-24 19:01:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-09-24 19:01:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-09-24 19:01:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-09-24 19:01:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-09-24 19:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-09-24 19:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-09-24 19:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-09-24 19:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-09-24 19:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-09-24 19:01:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-09-24 19:01:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-09-24 19:01:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-09-24 19:01:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-09-24 19:01:35,091 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-09-24 19:01:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-24 19:01:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 19:01:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-09-24 19:01:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-09-24 19:01:35,092 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 19:01:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 19:01:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 19:01:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 19:01:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 19:01:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 19:01:35,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 19:01:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 19:01:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 19:01:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 19:01:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 19:01:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 19:01:35,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 19:01:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 19:01:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 19:01:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 19:01:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-09-24 19:01:35,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-09-24 19:01:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-09-24 19:01:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-09-24 19:01:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-09-24 19:01:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-09-24 19:01:35,096 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-09-24 19:01:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-09-24 19:01:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-09-24 19:01:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-09-24 19:01:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-09-24 19:01:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-09-24 19:01:35,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-09-24 19:01:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-09-24 19:01:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-09-24 19:01:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-09-24 19:01:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-09-24 19:01:35,098 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-09-24 19:01:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-09-24 19:01:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-09-24 19:01:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-09-24 19:01:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-09-24 19:01:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-09-24 19:01:35,099 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-09-24 19:01:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-09-24 19:01:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-09-24 19:01:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:01:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 19:01:35,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:01:37,402 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:01:37,403 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 19:01:37,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:01:37 BoogieIcfgContainer [2020-09-24 19:01:37,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:01:37,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:01:37,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:01:37,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:01:37,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:01:33" (1/3) ... [2020-09-24 19:01:37,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d44f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:01:37, skipping insertion in model container [2020-09-24 19:01:37,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:01:34" (2/3) ... [2020-09-24 19:01:37,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d44f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:01:37, skipping insertion in model container [2020-09-24 19:01:37,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:01:37" (3/3) ... [2020-09-24 19:01:37,433 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-09-24 19:01:37,446 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:01:37,461 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:01:37,487 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:01:37,531 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:01:37,532 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:01:37,532 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:01:37,532 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:01:37,532 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:01:37,532 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:01:37,532 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:01:37,533 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:01:37,582 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states. [2020-09-24 19:01:37,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-09-24 19:01:37,630 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:01:37,632 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:01:37,633 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:01:37,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:01:37,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1063984080, now seen corresponding path program 1 times [2020-09-24 19:01:37,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:01:37,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1207579978] [2020-09-24 19:01:37,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:01:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:38,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:38,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:38,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:39,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:39,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 447 [2020-09-24 19:01:39,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:01:39,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1104 [2020-09-24 19:01:39,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:39,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:39,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 272 [2020-09-24 19:01:39,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:39,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:01:40,976 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-24 19:01:40,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:01:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:41,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:41,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:41,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-24 19:01:41,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:41,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-09-24 19:01:41,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:41,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:41,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 19:01:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:41,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:41,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:41,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:01:41,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:41,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:01:41,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:41,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:41,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:41,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:41,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:41,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 19:01:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:41,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:41,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:41,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:01:41,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:41,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:01:41,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:41,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:41,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:41,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:41,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:41,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 19:01:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:41,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:41,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:41,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:01:41,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:41,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:01:41,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:41,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:41,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:41,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:41,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:41,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 19:01:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:41,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:41,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:41,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 19:01:42,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:01:42,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1056 [2020-09-24 19:01:42,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:01:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:01:42,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:01:42,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:42,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:01:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:42,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:01:42,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:42,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 19:01:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:01:42,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:01:42,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:42,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:01:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:42,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:01:42,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:42,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-24 19:01:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:01:42,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:01:42,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:42,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:01:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:42,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:01:42,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-24 19:01:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 19:01:42,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 19:01:42,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 19:01:42,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:42,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 19:01:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:42,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:01:42,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:01:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:42,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:01:42,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-24 19:01:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:01:42,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:01:42,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:01:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-09-24 19:01:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:42,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:01:42,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:01:42,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-24 19:01:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:01:42,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:01:42,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:01:42,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-24 19:01:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:01:42,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:01:42,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 19:01:42,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:42,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:01:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:01:42,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:01:42,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-24 19:01:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:01:42,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:01:42,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:01:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:42,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2020-09-24 19:01:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:42,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:42,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:42,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:42,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:42,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:01:42,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:42,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:42,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:01:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:42,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:43,322 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 19:01:43,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1207579978] [2020-09-24 19:01:43,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:01:43,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 19:01:43,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377292439] [2020-09-24 19:01:43,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 19:01:43,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:01:43,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 19:01:43,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-09-24 19:01:43,373 INFO L87 Difference]: Start difference. First operand 578 states. Second operand 8 states. [2020-09-24 19:01:50,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:01:50,908 INFO L93 Difference]: Finished difference Result 1046 states and 1243 transitions. [2020-09-24 19:01:50,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 19:01:50,911 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 382 [2020-09-24 19:01:50,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:01:50,938 INFO L225 Difference]: With dead ends: 1046 [2020-09-24 19:01:50,939 INFO L226 Difference]: Without dead ends: 758 [2020-09-24 19:01:50,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-09-24 19:01:50,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-09-24 19:01:51,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 546. [2020-09-24 19:01:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-09-24 19:01:51,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 594 transitions. [2020-09-24 19:01:51,179 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 594 transitions. Word has length 382 [2020-09-24 19:01:51,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:01:51,181 INFO L479 AbstractCegarLoop]: Abstraction has 546 states and 594 transitions. [2020-09-24 19:01:51,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 19:01:51,182 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 594 transitions. [2020-09-24 19:01:51,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-09-24 19:01:51,191 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:01:51,192 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:01:51,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:01:51,192 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:01:51,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:01:51,193 INFO L82 PathProgramCache]: Analyzing trace with hash 593024821, now seen corresponding path program 1 times [2020-09-24 19:01:51,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:01:51,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438422102] [2020-09-24 19:01:51,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:01:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:51,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:51,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:51,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:52,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:52,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 448 [2020-09-24 19:01:52,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:01:52,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-09-24 19:01:52,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:52,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:01:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-09-24 19:01:52,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:01:52,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:53,836 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-24 19:01:53,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:01:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:53,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:54,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:54,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-24 19:01:54,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:54,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-09-24 19:01:54,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:54,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:54,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:54,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 19:01:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:54,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:54,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:54,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:01:54,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:54,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:01:54,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:54,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 19:01:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:54,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:54,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:54,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:01:54,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:01:54,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:54,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:54,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:54,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:54,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:54,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 19:01:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:54,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:54,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:54,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:01:54,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:54,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:01:54,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:54,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:54,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:01:54,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 19:01:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:54,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:54,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:54,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 19:01:55,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:01:55,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-24 19:01:55,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:55,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:01:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:01:55,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:01:55,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:55,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:01:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:55,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:01:55,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:55,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 19:01:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:01:55,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:01:55,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:55,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:01:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:55,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:01:55,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-24 19:01:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:01:55,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:01:55,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:01:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:55,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:01:55,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:55,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-24 19:01:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 19:01:55,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:01:55,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 19:01:55,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 19:01:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:55,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:01:55,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:55,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:01:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:55,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:01:55,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:55,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-09-24 19:01:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:01:55,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:01:55,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:01:55,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 19:01:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:55,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:01:55,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:01:55,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2020-09-24 19:01:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:01:55,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:01:55,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:01:55,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-09-24 19:01:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:01:55,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:01:55,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 19:01:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:01:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:01:55,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:01:55,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:01:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-09-24 19:01:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:01:55,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:01:55,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:01:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-09-24 19:01:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:01:55,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:01:55,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:01:55,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:01:55,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:01:55,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:01:55,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:01:55,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:01:55,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:01:55,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:01:55,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:01:55,594 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 19:01:55,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438422102] [2020-09-24 19:01:55,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:01:55,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 19:01:55,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341717373] [2020-09-24 19:01:55,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 19:01:55,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:01:55,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 19:01:55,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-24 19:01:55,599 INFO L87 Difference]: Start difference. First operand 546 states and 594 transitions. Second operand 9 states. [2020-09-24 19:01:59,319 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-24 19:02:05,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:02:05,314 INFO L93 Difference]: Finished difference Result 989 states and 1121 transitions. [2020-09-24 19:02:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 19:02:05,319 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 383 [2020-09-24 19:02:05,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:02:05,326 INFO L225 Difference]: With dead ends: 989 [2020-09-24 19:02:05,326 INFO L226 Difference]: Without dead ends: 761 [2020-09-24 19:02:05,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-09-24 19:02:05,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-09-24 19:02:05,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 548. [2020-09-24 19:02:05,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-09-24 19:02:05,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 596 transitions. [2020-09-24 19:02:05,440 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 596 transitions. Word has length 383 [2020-09-24 19:02:05,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:02:05,441 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 596 transitions. [2020-09-24 19:02:05,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 19:02:05,441 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 596 transitions. [2020-09-24 19:02:05,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-09-24 19:02:05,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:02:05,448 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:02:05,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:02:05,449 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:02:05,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:02:05,449 INFO L82 PathProgramCache]: Analyzing trace with hash 2068259170, now seen corresponding path program 1 times [2020-09-24 19:02:05,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:02:05,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102726335] [2020-09-24 19:02:05,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:02:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:05,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:05,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:06,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:06,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:06,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 457 [2020-09-24 19:02:06,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:02:06,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1069 [2020-09-24 19:02:06,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:06,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 19:02:06,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-09-24 19:02:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 19:02:06,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:08,185 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-24 19:02:08,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:02:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:08,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:08,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:08,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-24 19:02:08,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:08,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-24 19:02:08,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:08,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:08,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:08,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 19:02:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:08,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:08,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:08,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:02:08,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:08,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:02:08,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:08,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:08,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:08,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 19:02:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:08,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:08,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:08,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:02:08,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:08,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:02:08,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:08,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:08,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 19:02:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:08,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:08,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:08,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:02:08,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:08,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:02:08,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:08,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:08,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:08,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:08,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:08,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 19:02:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:08,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:08,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:08,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 19:02:09,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:02:09,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-24 19:02:09,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:09,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:02:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:02:09,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:02:09,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:09,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:02:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:09,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:09,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:09,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 19:02:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:02:09,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:02:09,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:02:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:09,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:09,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:09,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-24 19:02:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:02:09,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:02:09,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:09,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:02:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:09,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:09,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:09,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-24 19:02:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 19:02:09,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:02:09,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 19:02:09,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 19:02:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:09,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:09,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:02:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:09,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:09,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2020-09-24 19:02:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:02:09,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:09,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:02:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2020-09-24 19:02:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:09,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:09,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:02:09,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-24 19:02:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:02:09,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:09,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:02:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-09-24 19:02:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:02:09,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:02:09,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 19:02:09,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:02:09,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:02:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:02:09,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:02:09,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:09,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-09-24 19:02:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:02:09,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:02:09,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:02:09,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:09,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2020-09-24 19:02:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:09,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:09,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:09,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:09,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:09,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:09,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:02:09,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:09,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:02:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 19:02:09,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102726335] [2020-09-24 19:02:09,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:02:09,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 19:02:09,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435750034] [2020-09-24 19:02:09,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:02:09,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:02:09,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:02:09,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:02:09,958 INFO L87 Difference]: Start difference. First operand 548 states and 596 transitions. Second operand 10 states. [2020-09-24 19:02:13,746 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-24 19:02:15,309 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-24 19:02:22,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:02:22,531 INFO L93 Difference]: Finished difference Result 1064 states and 1221 transitions. [2020-09-24 19:02:22,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 19:02:22,533 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 392 [2020-09-24 19:02:22,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:02:22,539 INFO L225 Difference]: With dead ends: 1064 [2020-09-24 19:02:22,539 INFO L226 Difference]: Without dead ends: 836 [2020-09-24 19:02:22,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2020-09-24 19:02:22,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-09-24 19:02:22,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 618. [2020-09-24 19:02:22,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-09-24 19:02:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 689 transitions. [2020-09-24 19:02:22,663 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 689 transitions. Word has length 392 [2020-09-24 19:02:22,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:02:22,663 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 689 transitions. [2020-09-24 19:02:22,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:02:22,664 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 689 transitions. [2020-09-24 19:02:22,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-09-24 19:02:22,672 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:02:22,672 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:02:22,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:02:22,673 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:02:22,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:02:22,673 INFO L82 PathProgramCache]: Analyzing trace with hash -91334382, now seen corresponding path program 1 times [2020-09-24 19:02:22,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:02:22,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1626963841] [2020-09-24 19:02:22,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:02:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:22,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:23,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:23,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:23,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:23,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:23,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:23,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 460 [2020-09-24 19:02:23,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:02:23,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-09-24 19:02:23,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:02:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 262 [2020-09-24 19:02:23,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 19:02:23,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:25,227 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-24 19:02:25,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:02:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:25,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:25,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:25,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-24 19:02:25,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:25,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-09-24 19:02:25,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:25,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:25,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:25,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:25,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:25,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 19:02:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:25,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:25,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:25,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:02:25,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:25,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:02:25,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:25,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:25,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:25,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 19:02:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:25,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:25,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:25,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:02:25,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:25,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:02:25,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:25,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:25,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 19:02:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:25,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:25,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:25,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:02:25,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:25,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:02:25,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:25,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:25,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:25,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:25,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 19:02:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:25,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:25,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:25,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 19:02:26,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:02:26,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-24 19:02:26,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:02:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:02:26,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:02:26,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:26,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:02:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:26,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:02:26,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:26,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:02:26,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 19:02:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:02:26,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:02:26,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:26,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:02:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:26,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:02:26,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:26,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:02:26,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-24 19:02:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 19:02:26,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:02:26,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:26,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 19:02:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:26,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:02:26,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-09-24 19:02:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 19:02:26,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:02:26,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 19:02:26,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 19:02:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:26,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:26,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:26,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 19:02:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:26,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:02:26,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:26,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-09-24 19:02:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:02:26,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:02:26,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:02:26,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-24 19:02:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:26,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:26,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:02:26,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2020-09-24 19:02:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:02:26,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:26,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:02:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-24 19:02:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:02:26,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:02:26,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 19:02:26,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:02:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:02:26,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:02:26,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:02:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-09-24 19:02:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:02:26,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:02:26,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:02:26,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2020-09-24 19:02:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:02:26,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:02:26,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:02:26,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:02:26,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:02:26,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:02:26,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:02:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:02:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:02:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:02:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:02:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 19:02:26,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1626963841] [2020-09-24 19:02:26,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:02:26,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 19:02:26,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279327137] [2020-09-24 19:02:26,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 19:02:26,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:02:26,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 19:02:26,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-24 19:02:26,977 INFO L87 Difference]: Start difference. First operand 618 states and 689 transitions. Second operand 9 states.