/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:14:14,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:14:14,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:14:14,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:14:14,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:14:14,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:14:14,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:14:14,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:14:14,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:14:14,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:14:14,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:14:14,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:14:14,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:14:14,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:14:14,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:14:14,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:14:14,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:14:14,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:14:14,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:14:14,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:14:14,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:14:14,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:14:14,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:14:14,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:14:14,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:14:14,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:14:14,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:14:14,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:14:14,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:14:14,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:14:14,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:14:14,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:14:14,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:14:14,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:14:14,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:14:14,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:14:14,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:14:14,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:14:14,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:14:14,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:14:14,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:14:14,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:14:14,630 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:14:14,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:14:14,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:14:14,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:14:14,637 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:14:14,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:14:14,637 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:14:14,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:14:14,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:14:14,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:14:14,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:14:14,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:14:14,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:14:14,640 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:14:14,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:14:14,641 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:14:14,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:14:14,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:14:14,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:14:14,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:14:14,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:14:14,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:14:14,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:14:14,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:14:14,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:14:14,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:14:14,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:14:14,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:14:14,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:14:14,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:14:15,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:14:15,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:14:15,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:14:15,107 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:14:15,107 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:14:15,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2020-10-27 21:14:15,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a74e9ff3d/8acee71d98dd42f19cb256382b0cf498/FLAG306079079 [2020-10-27 21:14:15,991 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:14:15,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2020-10-27 21:14:16,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a74e9ff3d/8acee71d98dd42f19cb256382b0cf498/FLAG306079079 [2020-10-27 21:14:16,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a74e9ff3d/8acee71d98dd42f19cb256382b0cf498 [2020-10-27 21:14:16,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:14:16,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:14:16,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:14:16,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:14:16,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:14:16,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:14:16" (1/1) ... [2020-10-27 21:14:16,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6363f7ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:14:16, skipping insertion in model container [2020-10-27 21:14:16,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:14:16" (1/1) ... [2020-10-27 21:14:16,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:14:16,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:14:16,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:14:16,951 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:14:17,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:14:17,260 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:14:17,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:14:17 WrapperNode [2020-10-27 21:14:17,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:14:17,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:14:17,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:14:17,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:14:17,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:14:17" (1/1) ... [2020-10-27 21:14:17,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:14:17" (1/1) ... [2020-10-27 21:14:17,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:14:17" (1/1) ... [2020-10-27 21:14:17,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:14:17" (1/1) ... [2020-10-27 21:14:17,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:14:17" (1/1) ... [2020-10-27 21:14:17,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:14:17" (1/1) ... [2020-10-27 21:14:17,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:14:17" (1/1) ... [2020-10-27 21:14:17,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:14:17,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:14:17,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:14:17,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:14:17,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:14:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:14:17,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:14:17,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:14:17,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:14:17,573 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:14:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:14:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:14:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:14:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:14:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:14:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:14:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:14:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:14:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:14:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:14:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:14:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:14:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:14:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:14:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:14:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:14:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:14:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:14:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:14:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 21:14:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:14:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:14:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:14:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:14:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:14:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:14:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:14:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:14:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:14:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:14:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:14:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:14:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:14:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:14:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:14:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:14:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:14:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:14:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:14:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:14:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:14:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:14:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:14:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:14:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:14:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:14:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:14:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:14:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:14:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:14:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:14:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:14:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-27 21:14:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:14:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:14:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:14:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:14:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:14:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:14:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:14:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:14:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:14:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 21:14:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:14:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:14:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:14:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:14:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:14:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:14:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:14:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:14:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:14:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:14:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:14:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:14:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:14:17,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:14:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:14:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:14:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:14:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:14:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:14:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:14:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:14:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:14:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:14:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:14:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:14:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:14:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:14:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:14:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:14:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:14:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:14:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:14:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:14:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:14:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:14:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:14:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:14:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-27 21:14:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:14:17,595 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:14:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:14:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:14:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:14:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:14:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:14:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:14:17,597 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:14:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:14:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:14:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:14:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:14:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:14:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:14:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:14:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:14:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:14:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:14:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:14:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:14:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:14:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:14:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:14:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:14:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:14:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:14:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:14:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:14:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:14:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:14:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:14:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:14:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:14:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:14:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:14:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:14:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:14:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:14:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:14:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:14:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:14:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 21:14:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:14:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:14:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:14:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:14:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:14:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:14:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:14:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:14:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:14:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:14:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:14:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:14:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:14:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:14:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:14:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:14:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:14:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:14:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:14:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:14:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:14:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:14:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:14:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:14:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:14:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:14:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:14:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:14:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:14:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:14:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:14:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:14:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:14:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:14:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:14:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 21:14:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-27 21:14:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-27 21:14:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:14:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:14:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:14:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:14:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:14:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:14:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:14:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:14:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:14:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:14:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:14:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:14:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:14:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:14:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:14:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:14:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:14:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:14:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:14:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:14:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:14:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:14:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:14:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:14:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:14:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:14:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:14:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:14:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:14:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:14:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:14:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:14:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:14:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:14:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:14:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:14:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:14:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:14:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:14:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:14:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:14:19,532 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:14:19,532 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:14:19,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:14:19 BoogieIcfgContainer [2020-10-27 21:14:19,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:14:19,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:14:19,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:14:19,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:14:19,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:14:16" (1/3) ... [2020-10-27 21:14:19,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b44580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:14:19, skipping insertion in model container [2020-10-27 21:14:19,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:14:17" (2/3) ... [2020-10-27 21:14:19,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b44580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:14:19, skipping insertion in model container [2020-10-27 21:14:19,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:14:19" (3/3) ... [2020-10-27 21:14:19,544 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product08.cil.c [2020-10-27 21:14:19,556 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:14:19,562 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:14:19,575 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:14:19,604 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:14:19,605 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:14:19,605 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:14:19,605 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:14:19,605 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:14:19,605 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:14:19,605 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:14:19,605 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:14:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states. [2020-10-27 21:14:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-27 21:14:19,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:14:19,659 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:14:19,660 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:14:19,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:14:19,667 INFO L82 PathProgramCache]: Analyzing trace with hash 758344206, now seen corresponding path program 1 times [2020-10-27 21:14:19,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:14:19,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932337148] [2020-10-27 21:14:19,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:14:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:20,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:20,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:20,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:20,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:21,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:25,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:25,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 21:14:25,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:14:25,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:14:25,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:25,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:25,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:14:25,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:25,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:14:27,125 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 21:14:27,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:14:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:27,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:27,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:27,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:14:27,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:27,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 21:14:27,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:27,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:27,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:27,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:14:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:27,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:27,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:27,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:14:27,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:27,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:27,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:27,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:27,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:27,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:14:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:27,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:27,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:27,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:14:27,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:27,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:27,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:27,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:27,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:27,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:14:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:27,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:27,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:27,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:14:27,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:27,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:27,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:27,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:27,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:27,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:14:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:27,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:27,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:27,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:27,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:29,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:14:32,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:14:32,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:14:32,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:14:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:14:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 21:14:32,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:32,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:14:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:14:32,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:32,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:14:32,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:32,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:32,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:32,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:14:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:14:32,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:32,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:14:32,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:32,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:32,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:32,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:14:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:32,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:32,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:32,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:32,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:32,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:32,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:32,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:14:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:32,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:32,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:14:32,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:32,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:32,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:32,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:32,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:14:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:14:32,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:32,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:14:32,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:32,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:14:32,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:14:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:14:32,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:32,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:14:32,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:32,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:32,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:32,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:14:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:32,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:32,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:32,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:32,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:32,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:32,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:14:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:32,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:32,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:32,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:32,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:32,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:32,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:14:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:14:32,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:14:32,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-27 21:14:32,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:14:32,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:14:32,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:14:32,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:32,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:14:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:14:32,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:32,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 21:14:32,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:14:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:32,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:14:32,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:14:32,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:14:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:32,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:14:32,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:14:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:32,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:14:32,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:32,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:14:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:32,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:32,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:32,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:32,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:32,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:14:32,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:14:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:14:32,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:33,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:14:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:33,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:33,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:33,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:14:33,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:33,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:14:33,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:14:33,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:33,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:33,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:14:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:33,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:33,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:33,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:33,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:33,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:33,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:33,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:33,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:33,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:14:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:33,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:33,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:33,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:33,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:33,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:33,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:33,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:33,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:33,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:14:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:33,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:33,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:33,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:33,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:33,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:33,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:33,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:33,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:14:33,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:33,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:33,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 21:14:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:33,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:33,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:33,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:33,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:33,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:14:33,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:33,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:33,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:14:33,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:33,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:33,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:14:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:33,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:33,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:33,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:33,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:33,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:33,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:33,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:33,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:14:33,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:33,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:33,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:14:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:33,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:33,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:33,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:14:33,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:33,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:14:33,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 21:14:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:33,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:14:33,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:14:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:33,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:33,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:33,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:14:33,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:33,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:33,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:33,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:33,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:14:33,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:33,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:33,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:14:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:33,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:33,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:33,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:14:33,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:33,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:33,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:33,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:14:33,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:33,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:33,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 21:14:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:14:33,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:14:33,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:14:33,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:14:33,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:14:33,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:14:33,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:14:33,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:14:33,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:14:33,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:14:33,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:14:33,309 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:14:33,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932337148] [2020-10-27 21:14:33,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:14:33,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-27 21:14:33,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151818045] [2020-10-27 21:14:33,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 21:14:33,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:14:33,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 21:14:33,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-27 21:14:33,340 INFO L87 Difference]: Start difference. First operand 382 states. Second operand 17 states. [2020-10-27 21:14:37,230 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-27 21:14:40,685 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-27 21:14:42,728 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 21:14:44,898 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 21:14:47,061 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 21:15:03,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:15:03,318 INFO L93 Difference]: Finished difference Result 1033 states and 1537 transitions. [2020-10-27 21:15:03,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-27 21:15:03,321 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 153 [2020-10-27 21:15:03,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:15:03,352 INFO L225 Difference]: With dead ends: 1033 [2020-10-27 21:15:03,352 INFO L226 Difference]: Without dead ends: 636 [2020-10-27 21:15:03,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2020-10-27 21:15:03,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-27 21:15:03,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 361. [2020-10-27 21:15:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2020-10-27 21:15:03,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 473 transitions. [2020-10-27 21:15:03,718 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 473 transitions. Word has length 153 [2020-10-27 21:15:03,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:15:03,720 INFO L481 AbstractCegarLoop]: Abstraction has 361 states and 473 transitions. [2020-10-27 21:15:03,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 21:15:03,720 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 473 transitions. [2020-10-27 21:15:03,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 21:15:03,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:15:03,733 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:15:03,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:15:03,733 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:15:03,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:15:03,734 INFO L82 PathProgramCache]: Analyzing trace with hash -2014717212, now seen corresponding path program 1 times [2020-10-27 21:15:03,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:15:03,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227680819] [2020-10-27 21:15:03,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:15:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:03,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:03,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:04,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:04,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:04,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:04,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:04,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:08,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:08,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 21:15:08,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:15:08,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 21:15:08,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:08,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:15:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:15:08,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:15:08,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:10,785 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 21:15:10,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:15:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:10,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:10,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:10,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:15:10,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:10,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 21:15:10,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:10,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:10,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:10,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:15:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:10,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:10,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:10,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:15:10,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:10,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:15:10,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:10,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:10,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:10,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:10,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:15:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:10,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:10,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:10,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:15:10,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:10,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:15:10,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:10,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:10,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:15:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:10,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:10,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:10,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:15:10,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:10,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:10,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:10,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:10,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:10,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:15:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:10,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:10,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:10,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:11,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:12,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:12,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:12,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:15,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:15,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:15:15,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:15:15,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:15:15,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:15:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:15:15,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:15:15,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:15,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:15,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:15,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:15,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:15:15,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:15,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:15:15,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:15,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:15,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:15:16,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:15:16,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:16,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:15:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:16,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:15:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:15:16,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:15:16,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:15:16,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:15:16,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:16,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:15:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:16,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:15:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:15:16,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:15:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 21:15:16,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:15:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:15:16,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:15:16,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:15:16,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 21:15:16,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:15:16,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:15:16,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:15:16,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 21:15:16,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:15:16,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:15:16,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:15:16,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:15:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:16,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:15:16,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:15:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:15:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:15:16,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:15:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:15:16,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:15:16,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:15:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:16,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:15:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:16,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:15:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:16,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:15:16,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 21:15:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:16,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:15:16,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:15:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:16,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:15:16,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 21:15:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:15:16,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:15:16,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 21:15:16,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:15:16,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:15:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:16,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:15:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 21:15:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:16,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:16,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:16,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:15:16,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:16,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:16,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:15:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:16,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:15:16,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227680819] [2020-10-27 21:15:16,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:15:16,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:15:16,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964757168] [2020-10-27 21:15:16,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:15:16,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:15:16,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:15:16,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:15:16,696 INFO L87 Difference]: Start difference. First operand 361 states and 473 transitions. Second operand 18 states. [2020-10-27 21:15:20,182 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 21:15:22,578 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 21:15:25,648 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 21:15:28,276 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 21:15:42,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:15:42,288 INFO L93 Difference]: Finished difference Result 945 states and 1358 transitions. [2020-10-27 21:15:42,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 21:15:42,289 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 155 [2020-10-27 21:15:42,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:15:42,303 INFO L225 Difference]: With dead ends: 945 [2020-10-27 21:15:42,303 INFO L226 Difference]: Without dead ends: 652 [2020-10-27 21:15:42,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=244, Invalid=1016, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 21:15:42,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2020-10-27 21:15:42,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 370. [2020-10-27 21:15:42,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2020-10-27 21:15:42,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 485 transitions. [2020-10-27 21:15:42,511 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 485 transitions. Word has length 155 [2020-10-27 21:15:42,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:15:42,512 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 485 transitions. [2020-10-27 21:15:42,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:15:42,512 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 485 transitions. [2020-10-27 21:15:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-27 21:15:42,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:15:42,515 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:15:42,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:15:42,516 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:15:42,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:15:42,517 INFO L82 PathProgramCache]: Analyzing trace with hash 2056851407, now seen corresponding path program 1 times [2020-10-27 21:15:42,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:15:42,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125444050] [2020-10-27 21:15:42,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:15:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:42,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:42,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:42,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:42,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:42,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:44,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:44,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:44,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:44,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:44,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:47,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:47,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-27 21:15:47,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 21:15:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 21:15:47,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:15:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:15:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:15:47,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:49,677 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 21:15:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:15:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:49,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:49,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:49,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:15:49,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:49,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 21:15:49,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:49,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:49,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:49,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:49,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:49,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:15:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:49,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:49,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:49,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:15:49,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:15:49,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:49,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:15:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:49,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:49,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:49,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:15:49,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:49,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:49,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:49,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:49,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:49,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:15:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:49,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:49,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:49,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:15:49,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:49,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:15:49,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:49,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:49,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:49,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:15:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:49,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:49,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:49,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:49,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:50,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:54,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:54,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:15:54,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:15:54,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 21:15:54,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:15:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:15:54,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:15:54,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:54,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:54,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:54,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:54,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:15:54,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:54,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:15:54,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:54,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:54,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:54,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:54,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:54,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:54,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:54,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:15:54,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:54,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:15:54,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:54,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:54,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:54,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:54,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:54,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:54,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:54,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:54,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:54,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:54,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:54,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:54,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:54,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:15:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:54,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:54,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:54,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:54,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:54,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:54,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:54,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:54,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:15:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:54,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:54,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:54,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:15:54,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:54,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:15:54,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:54,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:54,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:54,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:54,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:54,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:54,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:54,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:54,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:15:54,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:15:54,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:54,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:54,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:54,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:54,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:54,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:54,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:54,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:54,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:54,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:54,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:54,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:54,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:54,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:15:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:54,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:54,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:54,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:54,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:54,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:15:54,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:54,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:54,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:54,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:54,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:54,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:15:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:54,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:54,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:15:55,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:15:55,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 21:15:55,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:15:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:15:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:15:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:15:55,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:15:55,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:15:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:15:55,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:15:55,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:15:55,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:15:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:15:55,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:15:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:15:55,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:15:55,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:15:55,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:55,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:15:55,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 21:15:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:15:55,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:15:55,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:55,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:15:55,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:55,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:55,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:55,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:55,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:55,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:55,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:15:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:55,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:55,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:55,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:15:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:55,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:55,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:15:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:55,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 21:15:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:55,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:55,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:15:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 21:15:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:55,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:55,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:55,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:15:55,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:55,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 21:15:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:15:55,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:15:55,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 21:15:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:55,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:15:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:15:55,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:15:55,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:55,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:15:55,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:55,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 21:15:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:15:55,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:55,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:55,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:15:55,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:55,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 21:15:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:15:55,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:15:55,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:15:55,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:15:55,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:15:55,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:15:55,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:15:55,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:15:55,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:15:55,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:15:55,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:15:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:15:55,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125444050] [2020-10-27 21:15:55,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:15:55,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:15:55,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51097844] [2020-10-27 21:15:55,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:15:55,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:15:55,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:15:55,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:15:55,460 INFO L87 Difference]: Start difference. First operand 370 states and 485 transitions. Second operand 18 states. [2020-10-27 21:15:58,834 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 21:16:02,628 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 543 [2020-10-27 21:16:04,624 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 21:16:06,653 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 21:16:08,676 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 21:16:12,500 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 546 [2020-10-27 21:16:29,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:16:29,549 INFO L93 Difference]: Finished difference Result 1067 states and 1587 transitions. [2020-10-27 21:16:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 21:16:29,550 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 166 [2020-10-27 21:16:29,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:16:29,557 INFO L225 Difference]: With dead ends: 1067 [2020-10-27 21:16:29,557 INFO L226 Difference]: Without dead ends: 763 [2020-10-27 21:16:29,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=458, Invalid=1798, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 21:16:29,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2020-10-27 21:16:29,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 403. [2020-10-27 21:16:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-10-27 21:16:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 543 transitions. [2020-10-27 21:16:29,747 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 543 transitions. Word has length 166 [2020-10-27 21:16:29,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:16:29,748 INFO L481 AbstractCegarLoop]: Abstraction has 403 states and 543 transitions. [2020-10-27 21:16:29,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:16:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 543 transitions. [2020-10-27 21:16:29,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 21:16:29,751 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:16:29,751 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:16:29,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:16:29,752 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:16:29,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:16:29,753 INFO L82 PathProgramCache]: Analyzing trace with hash 980952611, now seen corresponding path program 1 times [2020-10-27 21:16:29,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:16:29,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993014331] [2020-10-27 21:16:29,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:16:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:29,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:29,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:29,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:30,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:30,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:30,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:30,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:31,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:31,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:31,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:34,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:34,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 21:16:34,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 21:16:34,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 21:16:34,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:34,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:16:34,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:16:34,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:16:34,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:36,692 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 21:16:36,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:16:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:36,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:36,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:36,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:16:36,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:36,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 21:16:36,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:36,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:36,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:16:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:36,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:36,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:36,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:16:36,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:36,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:16:36,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:36,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:36,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:36,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:16:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:36,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:36,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:36,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:16:36,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:36,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:16:36,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:36,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:36,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:16:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:36,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:36,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:36,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:16:36,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:16:36,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:36,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:36,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:16:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:36,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:36,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:36,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:36,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:37,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:37,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:41,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:41,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:16:41,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:16:41,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 21:16:41,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:41,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:16:41,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:16:41,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:16:41,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:41,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:16:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:41,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:41,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:41,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:16:41,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:41,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:16:41,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:41,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:16:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:41,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:41,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:41,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:16:41,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:41,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:16:41,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:41,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:41,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:41,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:41,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:41,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:16:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:41,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:41,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:41,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:16:41,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:41,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:16:41,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:41,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:41,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:16:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:41,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:41,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:41,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:16:41,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:16:41,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:41,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:41,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:16:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:41,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:41,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:41,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:16:41,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:41,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:16:41,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:41,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:41,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:41,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:16:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:41,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:41,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:41,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:16:41,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:41,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:16:41,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:41,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:41,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:16:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:41,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:41,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:41,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:16:41,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:41,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:16:41,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:41,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:41,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:16:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:41,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:41,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:41,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:16:41,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:41,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:16:41,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:41,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:41,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:41,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:41,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:41,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:16:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:41,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:41,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:41,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:16:41,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:41,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 21:16:41,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:41,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:16:41,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:16:41,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:16:41,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:16:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:16:42,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:16:42,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:16:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:16:42,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:16:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:16:42,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:16:42,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:16:42,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:42,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:16:42,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:16:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:16:42,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:16:42,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:16:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:16:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:16:42,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 21:16:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:16:42,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:16:42,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:16:42,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:42,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:16:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:16:42,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:16:42,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:16:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:16:42,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:16:42,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:42,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:42,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 21:16:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:16:42,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:16:42,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:16:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:42,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-27 21:16:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:16:42,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:16:42,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:42,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:16:42,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:42,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 21:16:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:16:42,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:16:42,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:16:42,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:16:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:16:42,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:16:42,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:42,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 21:16:42,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:42,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:16:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:16:42,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:16:42,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:16:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:42,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 21:16:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:16:42,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:16:42,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:16:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:42,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 21:16:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:16:42,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:16:42,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:16:42,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:16:42,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:16:42,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:16:42,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:16:42,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:16:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:16:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:16:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:16:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:16:42,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993014331] [2020-10-27 21:16:42,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:16:42,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:16:42,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649854839] [2020-10-27 21:16:42,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:16:42,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:16:42,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:16:42,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:16:42,465 INFO L87 Difference]: Start difference. First operand 403 states and 543 transitions. Second operand 18 states. [2020-10-27 21:16:45,858 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-27 21:16:48,077 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 555 [2020-10-27 21:16:50,475 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 21:16:53,628 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 21:16:55,686 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 21:16:57,828 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 21:17:00,216 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 21:17:16,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:17:16,410 INFO L93 Difference]: Finished difference Result 1331 states and 2089 transitions. [2020-10-27 21:17:16,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 21:17:16,414 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 167 [2020-10-27 21:17:16,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:17:16,422 INFO L225 Difference]: With dead ends: 1331 [2020-10-27 21:17:16,422 INFO L226 Difference]: Without dead ends: 996 [2020-10-27 21:17:16,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=330, Invalid=1310, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 21:17:16,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2020-10-27 21:17:16,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 482. [2020-10-27 21:17:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2020-10-27 21:17:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 678 transitions. [2020-10-27 21:17:16,760 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 678 transitions. Word has length 167 [2020-10-27 21:17:16,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:17:16,761 INFO L481 AbstractCegarLoop]: Abstraction has 482 states and 678 transitions. [2020-10-27 21:17:16,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:17:16,761 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 678 transitions. [2020-10-27 21:17:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-27 21:17:16,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:17:16,765 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:17:16,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:17:16,766 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:17:16,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:17:16,766 INFO L82 PathProgramCache]: Analyzing trace with hash 973821554, now seen corresponding path program 1 times [2020-10-27 21:17:16,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:17:16,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762105771] [2020-10-27 21:17:16,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:17:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:16,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:16,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:17,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:17,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:17,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:18,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:19,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:19,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:19,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:21,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:21,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-10-27 21:17:21,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 21:17:21,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 21:17:21,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:17:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 21:17:21,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:17:21,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:23,910 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-27 21:17:23,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:17:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:23,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:23,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:23,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:17:23,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:23,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 21:17:23,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:23,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:23,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:17:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:23,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:23,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:23,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:17:23,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:23,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:17:23,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:23,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:23,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:23,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:17:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:23,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:23,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:23,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:17:23,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:23,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:17:23,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:23,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:23,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:23,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:23,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:23,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:17:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:23,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:23,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:23,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:17:23,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:23,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:17:23,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:23,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:23,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:23,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:24,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:17:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:24,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:24,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:24,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:24,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:24,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:25,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 21:17:29,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:17:29,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:17:29,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:17:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:17:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 21:17:29,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:17:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:17:29,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:17:29,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:17:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:17:29,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:17:29,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:17:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:17:29,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:17:29,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:17:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:17:29,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:17:29,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:17:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:17:29,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:17:29,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:17:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:17:29,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:17:29,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:17:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:17:29,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:17:29,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:17:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:17:29,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:17:29,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:17:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:17:29,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:17:29,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:17:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:17:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 21:17:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:17:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:17:29,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:17:29,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:17:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:17:29,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:17:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:17:29,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:17:29,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:17:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:17:29,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:17:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:17:29,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:17:29,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:17:29,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:17:29,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:17:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:17:29,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 21:17:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:17:29,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:17:29,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:17:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:17:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:17:29,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:17:29,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:17:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:17:29,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:17:29,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 21:17:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:17:29,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:17:29,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:17:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:17:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:17:29,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:17:29,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:17:29,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:17:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:17:29,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:17:29,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:17:29,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:17:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:17:29,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:17:29,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 21:17:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:17:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:17:29,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:17:29,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:17:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 21:17:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:17:29,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:17:29,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:17:29,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 21:17:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:17:29,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:17:29,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:17:29,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:17:29,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:17:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:17:29,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:17:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:17:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:17:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:17:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:17:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:17:29,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762105771] [2020-10-27 21:17:29,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:17:29,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:17:29,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035399451] [2020-10-27 21:17:29,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:17:29,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:17:29,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:17:29,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:17:29,631 INFO L87 Difference]: Start difference. First operand 482 states and 678 transitions. Second operand 18 states. [2020-10-27 21:17:33,162 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 551 [2020-10-27 21:17:35,523 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 21:17:37,984 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 548 [2020-10-27 21:17:41,696 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 21:17:43,878 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 547 [2020-10-27 21:17:46,154 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 545 [2020-10-27 21:17:48,808 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 544