/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec4_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:23:20,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:23:21,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:23:21,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:23:21,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:23:21,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:23:21,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:23:21,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:23:21,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:23:21,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:23:21,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:23:21,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:23:21,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:23:21,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:23:21,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:23:21,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:23:21,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:23:21,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:23:21,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:23:21,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:23:21,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:23:21,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:23:21,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:23:21,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:23:21,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:23:21,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:23:21,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:23:21,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:23:21,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:23:21,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:23:21,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:23:21,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:23:21,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:23:21,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:23:21,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:23:21,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:23:21,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:23:21,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:23:21,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:23:21,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:23:21,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:23:21,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 17:23:21,088 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:23:21,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:23:21,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:23:21,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:23:21,090 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:23:21,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:23:21,090 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:23:21,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:23:21,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:23:21,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:23:21,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:23:21,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:23:21,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:23:21,092 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:23:21,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:23:21,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:23:21,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:23:21,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:23:21,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:23:21,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:23:21,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:23:21,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:23:21,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:23:21,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:23:21,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:23:21,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:23:21,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:23:21,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:23:21,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:23:21,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:23:21,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:23:21,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:23:21,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:23:21,432 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:23:21,432 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:23:21,433 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product24.cil.c [2020-10-12 17:23:21,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f05d34b1/d2eabdf974d543e286476245caa8ebec/FLAG27143c60d [2020-10-12 17:23:22,091 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:23:22,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec4_product24.cil.c [2020-10-12 17:23:22,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f05d34b1/d2eabdf974d543e286476245caa8ebec/FLAG27143c60d [2020-10-12 17:23:22,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f05d34b1/d2eabdf974d543e286476245caa8ebec [2020-10-12 17:23:22,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:23:22,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:23:22,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:23:22,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:23:22,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:23:22,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:23:22" (1/1) ... [2020-10-12 17:23:22,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7603d3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:22, skipping insertion in model container [2020-10-12 17:23:22,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:23:22" (1/1) ... [2020-10-12 17:23:22,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:23:22,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:23:23,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:23:23,037 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:23:23,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:23:23,318 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:23:23,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:23 WrapperNode [2020-10-12 17:23:23,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:23:23,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:23:23,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:23:23,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:23:23,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:23" (1/1) ... [2020-10-12 17:23:23,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:23" (1/1) ... [2020-10-12 17:23:23,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:23" (1/1) ... [2020-10-12 17:23:23,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:23" (1/1) ... [2020-10-12 17:23:23,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:23" (1/1) ... [2020-10-12 17:23:23,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:23" (1/1) ... [2020-10-12 17:23:23,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:23" (1/1) ... [2020-10-12 17:23:23,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:23:23,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:23:23,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:23:23,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:23:23,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:23:23,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:23:23,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:23:23,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:23:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:23:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:23:23,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:23:23,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:23:23,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:23:23,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:23:23,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:23:23,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:23:23,694 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:23:23,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:23:23,694 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:23:23,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:23:23,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:23:23,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:23:23,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:23:23,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:23:23,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:23:23,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:23:23,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:23:23,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:23:23,700 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:23:23,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:23:23,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:23:23,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:23:23,701 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:23:23,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:23:23,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:23:23,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:23:23,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:23:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:23:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:23:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:23:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:23:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:23:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:23:23,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:23:23,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:23:23,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:23:23,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:23:23,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:23:23,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:23:23,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:23:23,706 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:23:23,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:23:23,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:23:23,707 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:23:23,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:23:23,708 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:23:23,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:23:23,708 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:23:23,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:23:23,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:23:23,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:23:23,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:23:23,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:23:23,710 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:23:23,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:23:23,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:23:23,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:23:23,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:23:23,711 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:23:23,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:23:23,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:23:23,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:23:23,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:23:23,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:23:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:23:23,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:23:23,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:23:23,715 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:23:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:23:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:23:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:23:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:23:23,716 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:23:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:23:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:23:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:23:23,717 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:23:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:23:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:23:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:23:23,718 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:23:23,719 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-12 17:23:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2020-10-12 17:23:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2020-10-12 17:23:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-12 17:23:23,720 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:23:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:23:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:23:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:23:23,721 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:23:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:23:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:23:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:23:23,722 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-12 17:23:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-12 17:23:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-12 17:23:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:23:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:23:23,723 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:23:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:23:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:23:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:23:23,724 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:23:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:23:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:23:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:23:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-12 17:23:23,725 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-12 17:23:23,726 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-12 17:23:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:23:23,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:23:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:23:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:23:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:23:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:23:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:23:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-12 17:23:23,730 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:23:23,731 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:23:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:23:23,732 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:23:23,733 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:23:23,737 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:23:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:23:23,738 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:23:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:23:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:23:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:23:23,740 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:23:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:23:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:23:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:23:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:23:23,741 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:23:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:23:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:23:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:23:23,742 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:23:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:23:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:23:23,751 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:23:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:23:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:23:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:23:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:23:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:23:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:23:23,753 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:23:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:23:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:23:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:23:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:23:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:23:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:23:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:23:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:23:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:23:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:23:23,756 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:23:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:23:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:23:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:23:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:23:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:23:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:23:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:23:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:23:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:23:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:23:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:23:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:23:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:23:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:23:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:23:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:23:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:23:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:23:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:23:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:23:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:23:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:23:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:23:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:23:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:23:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:23:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:23:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:23:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:23:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:23:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:23:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:23:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:23:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:23:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:23:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:23:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:23:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:23:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:23:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:23:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:23:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:23:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:23:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:23:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:23:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:23:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:23:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:23:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:23:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:23:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:23:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:23:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:23:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:23:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:23:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2020-10-12 17:23:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:23:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:23:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:23:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:23:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2020-10-12 17:23:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-12 17:23:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:23:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:23:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:23:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:23:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:23:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:23:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:23:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-12 17:23:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-12 17:23:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-12 17:23:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:23:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-12 17:23:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-12 17:23:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-12 17:23:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:23:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:23:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:23:25,913 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:23:25,913 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:23:25,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:23:25 BoogieIcfgContainer [2020-10-12 17:23:25,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:23:25,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:23:25,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:23:25,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:23:25,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:23:22" (1/3) ... [2020-10-12 17:23:25,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba60c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:23:25, skipping insertion in model container [2020-10-12 17:23:25,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:23:23" (2/3) ... [2020-10-12 17:23:25,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba60c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:23:25, skipping insertion in model container [2020-10-12 17:23:25,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:23:25" (3/3) ... [2020-10-12 17:23:25,936 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product24.cil.c [2020-10-12 17:23:25,946 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:23:25,959 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:23:25,973 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:23:26,001 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:23:26,002 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:23:26,002 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:23:26,002 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:23:26,002 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:23:26,002 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:23:26,002 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:23:26,002 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:23:26,042 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states. [2020-10-12 17:23:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 17:23:26,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:23:26,063 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:23:26,063 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:23:26,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:23:26,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1143948929, now seen corresponding path program 1 times [2020-10-12 17:23:26,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:23:26,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561869317] [2020-10-12 17:23:26,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:23:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:26,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:26,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:27,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:27,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:27,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:31,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:31,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-12 17:23:31,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:23:31,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5083 [2020-10-12 17:23:31,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:23:31,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-12 17:23:31,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:23:31,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-12 17:23:33,507 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:23:33,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:23:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:33,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:33,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:33,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:23:33,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 17:23:33,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:33,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:33,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:33,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:33,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:33,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:23:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:33,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:33,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:33,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:23:33,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:33,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:33,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:33,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:33,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:33,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:33,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:23:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:33,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:33,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:33,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:23:33,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:33,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:33,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:33,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:33,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:23:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:33,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:33,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:33,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:23:33,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:33,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:33,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:33,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:33,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:33,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:33,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:33,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:23:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:33,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:33,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:33,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:34,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:38,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:38,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:23:38,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:23:38,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 17:23:38,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:23:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:23:38,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:23:38,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:38,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:38,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:38,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:38,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:23:38,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:38,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:23:38,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:38,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:38,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:38,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:38,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:38,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:38,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:38,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:38,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:23:38,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:38,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:23:38,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:38,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:38,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:38,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:38,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:38,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:38,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:38,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:38,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:38,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:38,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:23:38,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:38,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:38,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:38,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:38,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:38,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:23:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:38,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:38,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:38,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:38,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:38,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:38,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:38,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:38,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:38,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:23:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:38,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:38,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:23:39,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:23:39,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-12 17:23:39,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:23:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:23:39,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:23:39,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:39,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:23:39,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 17:23:39,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:23:39,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:23:39,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:23:39,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:39,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:23:39,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:23:39,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:39,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:23:39,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:39,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:23:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:39,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:23:39,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:23:39,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:39,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:23:39,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:39,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:23:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:23:39,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:23:39,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:23:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:39,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:23:39,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:23:39,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:39,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:39,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:39,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:39,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:39,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:39,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:23:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:39,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:39,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:39,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:23:39,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:23:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:23:39,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:23:39,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:23:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:39,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:39,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:39,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:39,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:23:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:39,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:39,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:39,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:39,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:23:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:23:39,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:23:39,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-12 17:23:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:39,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:23:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:39,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:39,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:23:39,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:39,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 17:23:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:39,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:23:39,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:39,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:39,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:23:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:39,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:39,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:39,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:23:39,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 17:23:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:39,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:39,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:39,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:23:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:23:39,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:23:39,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:23:39,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:23:39,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:23:39,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:23:39,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:23:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:23:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:23:39,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:23:39,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:23:39,580 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 17:23:39,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561869317] [2020-10-12 17:23:39,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:23:39,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 17:23:39,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449913333] [2020-10-12 17:23:39,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 17:23:39,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:23:39,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 17:23:39,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-12 17:23:39,609 INFO L87 Difference]: Start difference. First operand 526 states. Second operand 18 states. [2020-10-12 17:23:42,065 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:23:43,989 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:23:46,152 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:23:47,546 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:24:10,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:24:10,490 INFO L93 Difference]: Finished difference Result 1502 states and 2256 transitions. [2020-10-12 17:24:10,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-12 17:24:10,493 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 148 [2020-10-12 17:24:10,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:24:10,518 INFO L225 Difference]: With dead ends: 1502 [2020-10-12 17:24:10,519 INFO L226 Difference]: Without dead ends: 869 [2020-10-12 17:24:10,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1480 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=1031, Invalid=3799, Unknown=0, NotChecked=0, Total=4830 [2020-10-12 17:24:10,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-10-12 17:24:10,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 505. [2020-10-12 17:24:10,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2020-10-12 17:24:10,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 666 transitions. [2020-10-12 17:24:10,879 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 666 transitions. Word has length 148 [2020-10-12 17:24:10,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:24:10,880 INFO L479 AbstractCegarLoop]: Abstraction has 505 states and 666 transitions. [2020-10-12 17:24:10,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 17:24:10,880 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 666 transitions. [2020-10-12 17:24:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 17:24:10,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:24:10,887 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:24:10,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:24:10,888 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:24:10,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:24:10,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1009346786, now seen corresponding path program 1 times [2020-10-12 17:24:10,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:24:10,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892007122] [2020-10-12 17:24:10,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:24:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:11,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:11,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:11,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:11,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:13,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:15,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:15,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-12 17:24:15,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:24:15,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 17:24:15,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:24:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-12 17:24:15,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:24:15,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:17,277 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:24:17,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:24:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:17,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:17,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:24:17,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:17,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 17:24:17,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:17,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:17,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:17,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:24:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:17,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:17,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:24:17,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:17,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:17,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:17,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:17,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:17,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:17,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:24:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:17,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:17,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:24:17,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:17,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:24:17,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:17,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:17,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:17,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:17,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:17,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:24:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:17,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:17,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:24:17,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:17,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:17,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:24:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:17,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:17,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:24:22,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:24:22,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:24:22,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:24:22,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:24:22,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:24:22,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:24:22,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:24:22,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:22,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:22,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:24:22,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:22,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:22,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:24:22,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:22,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:22,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:24:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:22,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:22,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:22,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:22,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:24:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:24:22,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:24:22,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-12 17:24:22,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:24:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:24:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:24:22,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:24:22,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:24:22,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:24:22,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:24:22,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:24:22,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:24:22,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:24:22,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:24:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:24:22,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:24:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:22,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:24:22,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:24:22,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:24:22,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:24:22,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:24:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:24:22,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:24:22,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:22,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:24:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:24:22,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:24:22,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:22,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:22,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:22,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:22,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:22,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:22,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:24:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:22,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:22,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:24:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:24:22,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:24:22,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:24:22,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:24:22,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:22,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:22,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:22,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:22,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:24:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:22,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:22,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:22,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:22,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:22,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:22,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:22,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:22,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:22,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:23,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:24:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:23,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:23,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:23,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:24:23,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:23,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 17:24:23,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:24:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:24:23,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:24:23,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:23,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:24:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:23,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:23,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:23,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:23,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:23,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:24:23,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:24:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:24:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:24:23,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:23,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:24:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:23,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:23,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:23,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:23,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:23,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:23,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:23,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:23,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:23,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:23,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:23,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 17:24:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:23,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:23,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:23,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:23,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:23,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:23,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:23,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:23,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:24:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:23,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:23,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:23,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:23,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:23,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:23,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:23,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:23,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:23,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:23,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 17:24:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:24:23,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:24:23,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:24:23,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:24:23,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:24:23,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:24:23,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:24:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:24:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:24:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:24:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:24:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 17:24:23,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892007122] [2020-10-12 17:24:23,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:24:23,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:24:23,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689654252] [2020-10-12 17:24:23,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:24:23,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:24:23,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:24:23,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:24:23,240 INFO L87 Difference]: Start difference. First operand 505 states and 666 transitions. Second operand 23 states. [2020-10-12 17:24:26,417 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:24:28,175 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:24:29,951 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:24:31,953 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:24:33,352 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:24:34,768 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:24:36,764 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:24:43,767 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:24:45,440 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:24:46,960 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:24:50,699 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:25:00,033 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:25:24,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:25:24,306 INFO L93 Difference]: Finished difference Result 2182 states and 3190 transitions. [2020-10-12 17:25:24,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-12 17:25:24,310 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 150 [2020-10-12 17:25:24,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:25:24,325 INFO L225 Difference]: With dead ends: 2182 [2020-10-12 17:25:24,326 INFO L226 Difference]: Without dead ends: 1716 [2020-10-12 17:25:24,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1373 ImplicationChecksByTransitivity, 19.6s TimeCoverageRelationStatistics Valid=924, Invalid=4332, Unknown=0, NotChecked=0, Total=5256 [2020-10-12 17:25:24,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2020-10-12 17:25:24,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 748. [2020-10-12 17:25:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-12 17:25:24,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1027 transitions. [2020-10-12 17:25:24,857 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1027 transitions. Word has length 150 [2020-10-12 17:25:24,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:25:24,858 INFO L479 AbstractCegarLoop]: Abstraction has 748 states and 1027 transitions. [2020-10-12 17:25:24,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:25:24,858 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1027 transitions. [2020-10-12 17:25:24,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-12 17:25:24,871 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:25:24,872 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:25:24,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:25:24,873 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:25:24,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:25:24,873 INFO L82 PathProgramCache]: Analyzing trace with hash 281819881, now seen corresponding path program 1 times [2020-10-12 17:25:24,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:25:24,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125174854] [2020-10-12 17:25:24,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:25:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:24,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:25,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:25,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:25,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:29,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:29,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 17:25:29,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:25:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 17:25:29,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:25:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 108 [2020-10-12 17:25:29,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:25:29,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:31,986 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:25:31,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:25:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:32,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:32,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:32,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:25:32,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:32,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 17:25:32,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:32,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:32,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:32,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:32,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:32,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:25:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:32,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:32,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:32,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:25:32,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:32,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:25:32,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:32,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:32,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:32,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:32,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:32,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:25:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:32,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:32,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:32,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:25:32,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:32,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:25:32,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:32,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:32,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:32,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:32,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:25:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:32,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:32,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:32,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:25:32,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:32,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:32,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:32,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:32,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:25:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:32,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:32,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:32,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:25:33,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:25:33,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1100 [2020-10-12 17:25:33,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:25:33,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 17:25:33,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:25:33,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:33,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:25:33,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:25:33,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:33,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:33,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:33,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:25:33,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:25:33,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:33,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:33,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:25:33,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:33,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:25:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:33,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:25:33,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:33,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:33,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:25:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:25:33,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:25:33,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:33,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:25:33,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:25:33,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:33,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:25:33,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:25:33,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:33,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:25:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:25:33,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:25:33,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:33,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:33,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:25:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:25:33,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:25:33,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-12 17:25:33,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:25:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:25:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:25:33,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:25:33,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:25:33,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:25:33,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:25:33,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:33,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:25:33,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:25:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:25:33,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:25:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:33,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:25:33,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:25:33,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:25:33,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:25:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:25:33,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:25:33,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:25:33,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:25:33,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:33,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:33,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:33,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:25:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:33,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:33,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:33,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:33,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:33,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:25:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:33,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:33,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:33,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:25:33,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:33,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:25:33,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:25:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:25:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:25:33,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:34,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:25:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:34,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:34,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:34,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:34,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:34,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:25:34,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:34,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:25:34,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:25:34,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:25:34,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:25:34,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:25:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:34,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:34,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:34,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:34,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:34,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:34,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:34,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:34,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:25:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:34,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:34,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:34,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:34,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:34,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:34,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:34,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:34,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:34,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:34,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:34,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:25:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:34,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:34,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:34,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:34,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:34,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:25:34,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:34,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:34,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:34,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 17:25:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:25:34,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:25:34,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:25:34,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:25:34,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:25:34,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:25:34,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:25:34,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:25:34,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:25:34,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:25:34,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:25:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 17:25:34,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125174854] [2020-10-12 17:25:34,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:25:34,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:25:34,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108175726] [2020-10-12 17:25:34,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:25:34,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:25:34,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:25:34,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:25:34,218 INFO L87 Difference]: Start difference. First operand 748 states and 1027 transitions. Second operand 23 states. [2020-10-12 17:25:37,193 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:25:39,026 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:25:41,579 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:25:43,660 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 549 [2020-10-12 17:25:45,020 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:25:46,424 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:25:47,800 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 552 [2020-10-12 17:25:54,379 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:25:56,120 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:25:57,643 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:25:59,195 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:26:00,720 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-12 17:26:04,421 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:26:12,621 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 553 [2020-10-12 17:26:15,329 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-12 17:26:16,720 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-12 17:26:18,102 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 554 [2020-10-12 17:26:44,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:26:44,543 INFO L93 Difference]: Finished difference Result 2421 states and 3538 transitions. [2020-10-12 17:26:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-10-12 17:26:44,544 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 151 [2020-10-12 17:26:44,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:26:44,556 INFO L225 Difference]: With dead ends: 2421 [2020-10-12 17:26:44,557 INFO L226 Difference]: Without dead ends: 1759 [2020-10-12 17:26:44,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2402 ImplicationChecksByTransitivity, 28.6s TimeCoverageRelationStatistics Valid=1430, Invalid=7126, Unknown=0, NotChecked=0, Total=8556 [2020-10-12 17:26:44,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2020-10-12 17:26:44,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 558. [2020-10-12 17:26:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-10-12 17:26:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 733 transitions. [2020-10-12 17:26:44,926 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 733 transitions. Word has length 151 [2020-10-12 17:26:44,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:26:44,926 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 733 transitions. [2020-10-12 17:26:44,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:26:44,926 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 733 transitions. [2020-10-12 17:26:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-12 17:26:44,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:26:44,930 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:26:44,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:26:44,931 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:26:44,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:26:44,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1751985975, now seen corresponding path program 2 times [2020-10-12 17:26:44,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:26:44,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1854114901] [2020-10-12 17:26:44,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:26:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:45,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:45,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:45,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:45,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:45,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:49,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:49,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-12 17:26:49,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:26:49,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:26:49,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:26:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-12 17:26:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 17:26:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:51,452 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-12 17:26:51,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:26:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:51,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:51,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:51,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:26:51,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 17:26:51,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:51,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:51,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:26:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:51,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:51,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:51,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:26:51,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:51,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:26:51,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:51,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:51,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:51,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:51,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:51,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:26:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:51,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:51,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:51,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:26:51,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:51,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:26:51,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:51,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:51,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:26:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:51,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:51,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:51,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:26:51,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:51,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:26:51,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:51,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:51,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:51,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:51,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:51,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:26:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:51,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:51,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:51,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:51,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:51,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 17:26:52,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:26:52,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 808 [2020-10-12 17:26:52,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:26:52,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 17:26:52,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:26:52,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:52,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:26:52,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:26:52,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:52,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:52,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:52,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:26:52,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:26:52,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:52,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:52,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:52,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:52,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:52,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:52,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:52,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:52,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:26:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:52,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:52,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:52,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:52,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:52,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:26:52,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:26:52,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:26:52,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:52,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:52,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:52,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:26:52,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:26:52,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:52,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:52,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:26:52,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:26:52,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:52,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:52,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:26:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:26:52,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:52,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:52,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:52,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:26:52,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:26:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:26:52,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:26:52,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 17:26:52,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:26:52,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:26:52,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:26:52,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:52,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:26:52,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:26:52,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:26:52,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:26:52,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:52,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:26:52,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:26:52,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:26:52,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:26:52,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:52,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:26:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:52,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:26:52,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:26:52,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:26:52,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:26:52,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:52,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 17:26:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:26:52,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:26:52,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:26:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:26:52,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:52,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:52,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:52,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:52,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:52,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:52,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:26:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:52,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:52,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:52,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:52,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:52,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 17:26:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:52,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:52,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:52,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:26:52,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:52,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:26:52,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:26:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:26:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:26:52,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:53,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:26:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:53,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:53,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:53,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:53,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:53,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:26:53,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 17:26:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:26:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:26:53,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:53,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:26:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:53,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:53,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:53,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:53,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:53,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:53,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 17:26:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:53,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:53,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:53,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:53,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:53,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:53,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:53,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:53,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:53,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:53,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:53,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 17:26:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:53,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:53,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:53,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:53,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:53,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:26:53,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:53,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:53,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 17:26:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:26:53,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:26:53,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:26:53,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:26:53,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:26:53,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:26:53,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:26:53,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:26:53,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:26:53,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:26:53,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:26:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-12 17:26:53,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1854114901] [2020-10-12 17:26:53,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:26:53,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:26:53,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096939995] [2020-10-12 17:26:53,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:26:53,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:26:53,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:26:53,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:26:53,168 INFO L87 Difference]: Start difference. First operand 558 states and 733 transitions. Second operand 23 states. [2020-10-12 17:26:55,688 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 550 [2020-10-12 17:26:57,499 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 554