/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:24:11,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:24:11,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:24:11,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:24:11,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:24:11,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:24:11,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:24:11,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:24:11,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:24:11,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:24:11,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:24:11,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:24:11,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:24:11,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:24:11,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:24:11,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:24:11,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:24:11,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:24:11,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:24:11,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:24:11,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:24:11,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:24:11,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:24:11,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:24:11,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:24:11,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:24:11,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:24:11,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:24:11,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:24:11,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:24:11,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:24:11,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:24:11,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:24:11,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:24:11,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:24:11,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:24:11,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:24:11,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:24:11,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:24:11,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:24:11,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:24:11,330 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 [2020-10-13 11:24:11,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:24:11,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:24:11,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:24:11,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:24:11,355 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:24:11,355 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:24:11,358 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:24:11,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:24:11,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:24:11,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:24:11,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:24:11,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:24:11,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:24:11,359 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:24:11,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:24:11,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:24:11,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:24:11,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:24:11,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:24:11,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:24:11,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:24:11,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:24:11,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:24:11,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:24:11,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:24:11,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:24:11,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:24:11,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:24:11,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:24:11,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:24:11,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:24:11,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:24:11,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:24:11,716 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:24:11,716 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:24:11,717 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c [2020-10-13 11:24:11,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/daa032073/f9a0fe53032440b29bbaac5306145067/FLAG583f1c112 [2020-10-13 11:24:12,385 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:24:12,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product22.cil.c [2020-10-13 11:24:12,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/daa032073/f9a0fe53032440b29bbaac5306145067/FLAG583f1c112 [2020-10-13 11:24:12,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/daa032073/f9a0fe53032440b29bbaac5306145067 [2020-10-13 11:24:12,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:24:12,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:24:12,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:24:12,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:24:12,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:24:12,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:24:12" (1/1) ... [2020-10-13 11:24:12,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ccefb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:12, skipping insertion in model container [2020-10-13 11:24:12,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:24:12" (1/1) ... [2020-10-13 11:24:12,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:24:12,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:24:13,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:24:13,373 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:24:13,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:24:13,638 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:24:13,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:13 WrapperNode [2020-10-13 11:24:13,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:24:13,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:24:13,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:24:13,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:24:13,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:13" (1/1) ... [2020-10-13 11:24:13,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:13" (1/1) ... [2020-10-13 11:24:13,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:13" (1/1) ... [2020-10-13 11:24:13,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:13" (1/1) ... [2020-10-13 11:24:13,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:13" (1/1) ... [2020-10-13 11:24:13,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:13" (1/1) ... [2020-10-13 11:24:13,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:13" (1/1) ... [2020-10-13 11:24:13,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:24:13,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:24:13,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:24:13,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:24:13,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:13" (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 [2020-10-13 11:24:13,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:24:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:24:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:24:13,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:24:13,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:24:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:24:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:24:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:24:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:24:13,937 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:24:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:24:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:24:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:24:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:24:13,938 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:24:13,939 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:24:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:24:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:24:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:24:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:24:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:24:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:24:13,942 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:24:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:24:13,943 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:24:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:24:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:24:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:24:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:24:13,944 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:24:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:24:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:24:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:24:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:24:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:24:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:24:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:24:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:24:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:24:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:24:13,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:24:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:24:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:24:13,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:24:13,949 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:24:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:24:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:24:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:24:13,950 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:24:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:24:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:24:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:24:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:24:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:24:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:24:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:24:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:24:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:24:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:24:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:24:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:24:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-13 11:24:13,953 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:24:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:24:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:24:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-13 11:24:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:24:13,955 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:24:13,955 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:24:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-13 11:24:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:24:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-13 11:24:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:24:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:24:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 11:24:13,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-13 11:24:13,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-13 11:24:13,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-13 11:24:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:24:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:24:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:24:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:24:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:24:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:24:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:24:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:24:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:24:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:24:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:24:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:24:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:24:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:24:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:24:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:24:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:24:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:24:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:24:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:24:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:24:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:24:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:24:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:24:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:24:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:24:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:24:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-13 11:24:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:24:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:24:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:24:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:24:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:24:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:24:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:24:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:24:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:24:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:24:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:24:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:24:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:24:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:24:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:24:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:24:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:24:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:24:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:24:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:24:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:24:13,977 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:24:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:24:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:24:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:24:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:24:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 11:24:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-13 11:24:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:24:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:24:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:24:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:24:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:24:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:24:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:24:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:24:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:24:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:24:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:24:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:24:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:24:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:24:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:24:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:24:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:24:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:24:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:24:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:24:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:24:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:24:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:24:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-13 11:24:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:24:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:24:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-13 11:24:13,991 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:24:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:24:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:24:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-13 11:24:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-13 11:24:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-13 11:24:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:24:13,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:24:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:24:13,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:24:16,001 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:24:16,001 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:24:16,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:24:16 BoogieIcfgContainer [2020-10-13 11:24:16,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:24:16,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:24:16,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:24:16,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:24:16,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:24:12" (1/3) ... [2020-10-13 11:24:16,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d300721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:24:16, skipping insertion in model container [2020-10-13 11:24:16,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:24:13" (2/3) ... [2020-10-13 11:24:16,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d300721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:24:16, skipping insertion in model container [2020-10-13 11:24:16,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:24:16" (3/3) ... [2020-10-13 11:24:16,030 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product22.cil.c [2020-10-13 11:24:16,042 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:24:16,052 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:24:16,067 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:24:16,096 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:24:16,096 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:24:16,097 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:24:16,097 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:24:16,097 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:24:16,097 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:24:16,097 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:24:16,097 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:24:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states. [2020-10-13 11:24:16,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 11:24:16,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:24:16,170 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:24:16,170 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:24:16,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:24:16,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1159872126, now seen corresponding path program 1 times [2020-10-13 11:24:16,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:24:16,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645992204] [2020-10-13 11:24:16,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:24:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:16,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:17,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:17,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:17,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:17,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:18,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:19,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:21,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:21,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 11:24:21,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:24:21,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-13 11:24:21,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:21,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:21,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-13 11:24:21,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:24:21,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:24:22,830 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:24:22,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:22,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:22,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:22,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:22,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 11:24:22,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:22,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:22,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:22,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:22,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:24:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:22,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:22,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:22,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:22,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:22,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:22,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:22,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:22,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:22,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:22,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:22,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:24:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:22,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:22,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:22,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:22,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:22,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:22,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:22,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:22,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:24:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:22,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:22,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:22,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:22,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:22,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:22,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:22,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:22,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:24:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:22,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:22,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:22,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:22,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:22,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:22,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:22,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:22,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:22,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:24:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:22,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:22,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:22,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:22,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:22,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:22,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:22,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:23,198 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:24:23,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:24:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:23,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:23,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:23,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:23,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:23,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:23,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:23,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:24,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:24,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:24,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:28,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:28,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 11:24:28,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:24:28,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 11:24:28,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:28,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:28,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 11:24:28,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:24:28,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:28,413 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:24:28,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:28,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:28,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:28,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:28,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:28,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:28,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:29,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 11:24:29,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:24:29,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1174 [2020-10-13 11:24:29,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:29,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:29,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:29,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:29,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:29,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:24:29,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:24:29,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:29,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:29,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:24:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:29,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:29,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:24:29,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:24:29,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 11:24:29,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:29,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:29,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:29,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:24:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:29,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:29,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:24:29,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:29,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:24:29,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:29,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:29,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:29,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:29,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:29,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:29,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:29,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:29,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:29,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:29,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:29,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:29,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:29,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:29,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:29,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:24:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:29,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:29,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:30,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:30,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 11:24:30,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:24:30,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-10-13 11:24:30,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:30,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:30,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:24:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:24:30,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:30,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:30,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:30,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:30,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:30,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:30,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:24:30,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:24:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:24:30,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:30,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:24:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:30,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:30,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:30,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:30,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:24:30,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:24:30,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 11:24:30,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 11:24:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:30,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:30,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:24:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:30,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:30,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:30,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:24:30,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:24:30,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:30,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:30,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:30,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:30,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:24:30,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:30,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:30,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:30,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:30,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:30,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:30,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:30,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 11:24:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:30,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:30,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:30,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:30,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:24:30,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:24:30,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 11:24:30,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-13 11:24:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:30,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:30,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:31,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:31,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:31,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:24:31,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:31,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:24:31,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:31,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:31,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:31,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:31,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:31,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:31,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:31,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:31,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:31,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:31,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:31,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:31,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:31,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:24:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:31,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:31,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:31,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:24:31,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:31,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:31,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:31,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:31,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:24:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:31,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:31,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:31,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:31,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:31,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:24:31,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:31,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:31,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:31,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:31,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:24:31,143 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:24:31,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645992204] [2020-10-13 11:24:31,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:24:31,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:24:31,146 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914395571] [2020-10-13 11:24:31,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:24:31,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:24:31,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:24:31,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:24:31,167 INFO L87 Difference]: Start difference. First operand 790 states. Second operand 9 states. [2020-10-13 11:24:32,584 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:24:33,367 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:24:47,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:24:47,763 INFO L93 Difference]: Finished difference Result 1523 states and 2556 transitions. [2020-10-13 11:24:47,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:24:47,765 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-10-13 11:24:47,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:24:47,801 INFO L225 Difference]: With dead ends: 1523 [2020-10-13 11:24:47,801 INFO L226 Difference]: Without dead ends: 899 [2020-10-13 11:24:47,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:24:47,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-10-13 11:24:48,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 629. [2020-10-13 11:24:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-10-13 11:24:48,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 1002 transitions. [2020-10-13 11:24:48,153 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 1002 transitions. Word has length 116 [2020-10-13 11:24:48,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:24:48,154 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 1002 transitions. [2020-10-13 11:24:48,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:24:48,154 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1002 transitions. [2020-10-13 11:24:48,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-13 11:24:48,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:24:48,160 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:24:48,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:24:48,161 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:24:48,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:24:48,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1607555785, now seen corresponding path program 1 times [2020-10-13 11:24:48,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:24:48,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [684113768] [2020-10-13 11:24:48,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:24:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:48,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:48,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:48,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:48,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:48,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:49,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:49,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:50,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:53,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:53,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-13 11:24:53,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:24:53,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 11:24:53,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:53,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 11:24:53,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:24:53,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:54,014 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:24:54,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:54,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:54,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:54,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:54,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 11:24:54,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:54,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:54,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:54,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:54,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:54,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:24:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:54,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:54,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:54,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:54,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:54,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:24:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:54,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:54,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:54,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:54,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:54,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:54,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:54,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:54,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:54,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:54,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:24:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:54,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:54,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:54,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:54,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:54,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:54,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:54,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:54,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:54,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:54,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:24:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:54,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:54,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:24:54,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:24:54,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:24:54,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:24:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:54,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:54,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:24:54,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:24:54,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:24:54,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:54,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:24:54,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:24:54,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:24:54,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:54,326 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:24:54,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:24:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:54,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:54,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:57,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:57,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:57,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:24:59,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 11:24:59,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:24:59,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:24:59,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:24:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:24:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:24:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:24:59,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:24:59,500 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:24:59,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:24:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:24:59,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:24:59,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:25:00,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:25:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-13 11:25:00,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:25:00,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:25:00,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:25:00,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:00,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:25:00,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:00,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:25:00,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:25:00,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:25:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 11:25:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:25:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:00,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:00,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:25:00,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:25:00,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:25:00,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:00,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:00,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:00,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:00,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:25:00,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 11:25:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 11:25:00,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:25:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 453 [2020-10-13 11:25:00,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-13 11:25:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:25:00,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:00,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:00,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 11:25:00,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:00,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:25:00,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:25:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:00,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:00,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:00,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:00,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:00,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 11:25:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:25:00,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:25:00,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:25:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:25:00,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:25:00,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:00,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:00,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:00,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:00,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:00,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:25:00,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:00,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:00,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:00,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:00,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:00,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:00,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:00,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:00,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-13 11:25:00,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [684113768] [2020-10-13 11:25:00,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:25:00,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:25:00,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981237808] [2020-10-13 11:25:00,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:25:00,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:25:00,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:25:00,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:25:00,901 INFO L87 Difference]: Start difference. First operand 629 states and 1002 transitions. Second operand 9 states. [2020-10-13 11:25:02,328 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:25:19,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:25:19,540 INFO L93 Difference]: Finished difference Result 1503 states and 2511 transitions. [2020-10-13 11:25:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:25:19,541 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-10-13 11:25:19,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:25:19,551 INFO L225 Difference]: With dead ends: 1503 [2020-10-13 11:25:19,551 INFO L226 Difference]: Without dead ends: 899 [2020-10-13 11:25:19,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:25:19,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-10-13 11:25:19,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 629. [2020-10-13 11:25:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-10-13 11:25:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 997 transitions. [2020-10-13 11:25:19,715 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 997 transitions. Word has length 120 [2020-10-13 11:25:19,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:25:19,716 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 997 transitions. [2020-10-13 11:25:19,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:25:19,716 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 997 transitions. [2020-10-13 11:25:19,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 11:25:19,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:25:19,719 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:25:19,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:25:19,719 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:25:19,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:25:19,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1068817065, now seen corresponding path program 1 times [2020-10-13 11:25:19,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:25:19,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435395568] [2020-10-13 11:25:19,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:25:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:19,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:19,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:20,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:20,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:20,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:20,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:21,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:24,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:24,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 11:25:24,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:25:24,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-13 11:25:24,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:24,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:24,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:25:24,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:25:24,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:25,607 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:25:25,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:25,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:25,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:25,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 11:25:25,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:25,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:25,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:25,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:25,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:25,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:25:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:25,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:25,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:25,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:25,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:25,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:25,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:25:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:25,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:25,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:25,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:25,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:25,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:25,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:25,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:25,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:25,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:25:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:25,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:25,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:25,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:25,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:25,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:25,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:25,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:25,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:25,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:25:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:25,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:25,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:25,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:25,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:25,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:25,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:25,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:25,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:25,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:25:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:25,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:25,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:25,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:25,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:25,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:25,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:25,932 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:25:25,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:25:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:25,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:25,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:26,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:26,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:26,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:26,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:29,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:29,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:29,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:30,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:30,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-13 11:25:30,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:25:30,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:25:30,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:30,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:30,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-13 11:25:30,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:25:30,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:31,119 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:25:31,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:31,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:31,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:31,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:31,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:31,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:31,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:31,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:31,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 11:25:31,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:25:31,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 855 [2020-10-13 11:25:31,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:31,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:31,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:31,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:31,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:31,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:31,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:31,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:31,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:31,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:25:31,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:31,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:31,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:31,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:31,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:31,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:31,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:31,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:25:32,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:32,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:25:32,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:32,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:32,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:25:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:32,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:32,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:32,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:32,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:32,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:32,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:32,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:32,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:32,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:32,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:32,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:32,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 11:25:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 11:25:32,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:25:32,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 499 [2020-10-13 11:25:32,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:25:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:25:32,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:25:32,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:32,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:32,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:32,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:25:32,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:25:32,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:25:32,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:25:32,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:25:32,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:32,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 11:25:32,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:32,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:25:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:25:32,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:32,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:25:32,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:32,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:32,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:25:32,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:32,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:32,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:32,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:25:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:25:32,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:32,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:25:32,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:25:32,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:32,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:25:32,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:32,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:25:32,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:32,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:32,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:32,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:32,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:32,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:32,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:32,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:25:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:25:32,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:32,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:25:32,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:32,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:32,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:32,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:25:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:32,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:32,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:32,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:32,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:32,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:32,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:32,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:32,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:32,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:32,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:25:32,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435395568] [2020-10-13 11:25:32,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:25:32,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:25:32,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155598417] [2020-10-13 11:25:32,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:25:32,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:25:32,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:25:32,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:25:32,929 INFO L87 Difference]: Start difference. First operand 629 states and 997 transitions. Second operand 9 states. [2020-10-13 11:25:34,755 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:25:35,571 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:25:52,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:25:52,455 INFO L93 Difference]: Finished difference Result 1500 states and 2494 transitions. [2020-10-13 11:25:52,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:25:52,456 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-10-13 11:25:52,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:25:52,464 INFO L225 Difference]: With dead ends: 1500 [2020-10-13 11:25:52,464 INFO L226 Difference]: Without dead ends: 899 [2020-10-13 11:25:52,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:25:52,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-10-13 11:25:52,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 629. [2020-10-13 11:25:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-10-13 11:25:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 996 transitions. [2020-10-13 11:25:52,604 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 996 transitions. Word has length 122 [2020-10-13 11:25:52,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:25:52,604 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 996 transitions. [2020-10-13 11:25:52,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:25:52,604 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 996 transitions. [2020-10-13 11:25:52,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 11:25:52,606 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:25:52,607 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:25:52,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:25:52,607 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:25:52,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:25:52,607 INFO L82 PathProgramCache]: Analyzing trace with hash -990763325, now seen corresponding path program 1 times [2020-10-13 11:25:52,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:25:52,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877802848] [2020-10-13 11:25:52,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:25:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:52,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:52,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:52,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:52,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:52,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:53,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:53,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:57,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:57,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-13 11:25:57,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:25:57,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 11:25:57,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:57,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:25:57,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:25:57,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:25:57,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,548 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:25:58,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:25:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:58,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:58,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:58,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 11:25:58,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:58,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:58,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:25:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:58,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:58,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:58,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:58,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:58,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:58,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:58,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:58,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:25:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:58,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:58,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:58,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:58,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:58,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:25:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:58,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:58,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:58,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:58,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:58,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:58,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:58,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:58,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:25:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:58,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:25:58,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:58,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:25:58,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:58,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:58,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:25:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:25:58,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:25:58,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:25:58,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:25:58,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:25:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:25:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:25:58,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:25:58,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:25:58,829 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:25:58,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:25:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:25:58,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:58,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:25:59,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:00,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:00,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:03,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:03,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 11:26:03,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:26:03,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:26:03,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 11:26:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:03,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:03,977 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:26:03,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:03,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:03,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:03,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:26:04,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:26:04,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 518 [2020-10-13 11:26:04,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:04,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:04,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:26:04,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:04,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:26:04,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:26:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:04,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:04,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:04,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:04,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:04,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:04,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 11:26:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 11:26:04,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:26:04,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-13 11:26:04,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:04,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:26:04,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:04,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:04,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:04,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:04,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 11:26:04,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:04,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:26:04,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:04,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:26:04,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 11:26:04,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:26:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:04,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:04,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:26:04,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:26:04,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:26:04,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:04,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:04,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:04,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 11:26:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:26:04,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:04,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:26:04,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:26:04,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:26:04,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:04,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:26:04,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:04,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:04,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:04,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:26:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:26:04,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:04,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:04,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:04,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:04,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:04,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:04,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:04,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:04,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:04,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:04,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:04,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:26:05,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877802848] [2020-10-13 11:26:05,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:26:05,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:26:05,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395087757] [2020-10-13 11:26:05,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:26:05,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:26:05,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:26:05,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:26:05,036 INFO L87 Difference]: Start difference. First operand 629 states and 996 transitions. Second operand 9 states. [2020-10-13 11:26:06,545 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:26:20,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:26:20,426 INFO L93 Difference]: Finished difference Result 1503 states and 2499 transitions. [2020-10-13 11:26:20,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 11:26:20,427 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-13 11:26:20,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:26:20,435 INFO L225 Difference]: With dead ends: 1503 [2020-10-13 11:26:20,436 INFO L226 Difference]: Without dead ends: 899 [2020-10-13 11:26:20,440 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:26:20,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2020-10-13 11:26:20,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 629. [2020-10-13 11:26:20,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629 states. [2020-10-13 11:26:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 991 transitions. [2020-10-13 11:26:20,631 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 991 transitions. Word has length 124 [2020-10-13 11:26:20,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:26:20,631 INFO L479 AbstractCegarLoop]: Abstraction has 629 states and 991 transitions. [2020-10-13 11:26:20,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:26:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 991 transitions. [2020-10-13 11:26:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 11:26:20,634 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:26:20,634 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:26:20,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:26:20,634 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:26:20,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:26:20,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1451607057, now seen corresponding path program 1 times [2020-10-13 11:26:20,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:26:20,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1605896193] [2020-10-13 11:26:20,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:26:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:20,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:20,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:20,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:20,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:21,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:22,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:23,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:25,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:25,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 11:26:25,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:26:25,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 11:26:25,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:25,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:26:25,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:25,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:26,527 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:26:26,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:26,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 11:26:26,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:26,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:26:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:26,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:26,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:26,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:26,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:26,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:26,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:26:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:26,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:26,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:26,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:26:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:26,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:26,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:26:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:26,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:26,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:26,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:26,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:26,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:26,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:26,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:26,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:26,821 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:26:26,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:26:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:26,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:26,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:27,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:27,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:28,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:28,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:31,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:31,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 11:26:31,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:26:31,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 11:26:31,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:31,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:31,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:26:31,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:31,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:31,979 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:26:31,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:31,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:26:32,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:26:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 432 [2020-10-13 11:26:32,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:26:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:26:32,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:32,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:32,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:26:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:26:32,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:26:32,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:26:32,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:26:32,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:26:32,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:26:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:32,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:32,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:32,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:32,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 11:26:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:26:32,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:26:32,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-13 11:26:32,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:26:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:26:32,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:32,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:26:32,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:26:32,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:26:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:26:32,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:26:32,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:26:32,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:32,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 11:26:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:26:32,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:26:32,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:26:32,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:26:32,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:26:32,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:32,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:32,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:26:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:26:32,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:32,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:26:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:32,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:32,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:32,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:32,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:32,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:32,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:32,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:26:32,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1605896193] [2020-10-13 11:26:32,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:26:32,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:26:32,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444772648] [2020-10-13 11:26:32,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:26:32,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:26:32,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:26:32,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:26:32,989 INFO L87 Difference]: Start difference. First operand 629 states and 991 transitions. Second operand 9 states. [2020-10-13 11:26:34,348 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:26:35,148 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:26:36,954 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:26:49,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:26:49,235 INFO L93 Difference]: Finished difference Result 1507 states and 2488 transitions. [2020-10-13 11:26:49,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 11:26:49,236 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 126 [2020-10-13 11:26:49,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:26:49,247 INFO L225 Difference]: With dead ends: 1507 [2020-10-13 11:26:49,247 INFO L226 Difference]: Without dead ends: 908 [2020-10-13 11:26:49,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:26:49,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-13 11:26:49,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 638. [2020-10-13 11:26:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-10-13 11:26:49,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1003 transitions. [2020-10-13 11:26:49,428 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 1003 transitions. Word has length 126 [2020-10-13 11:26:49,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:26:49,428 INFO L479 AbstractCegarLoop]: Abstraction has 638 states and 1003 transitions. [2020-10-13 11:26:49,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:26:49,428 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1003 transitions. [2020-10-13 11:26:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 11:26:49,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:26:49,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:26:49,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:26:49,432 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:26:49,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:26:49,433 INFO L82 PathProgramCache]: Analyzing trace with hash 377980370, now seen corresponding path program 1 times [2020-10-13 11:26:49,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:26:49,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [451286895] [2020-10-13 11:26:49,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:26:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:49,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:49,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:49,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:49,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:50,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:51,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:54,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:54,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 11:26:54,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:26:54,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 11:26:54,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:26:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-13 11:26:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:26:54,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:55,365 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:26:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:26:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:55,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:55,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:55,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:55,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:26:55,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:55,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:55,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:55,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:55,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:55,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:26:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:55,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:55,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:55,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:55,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:55,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:55,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:55,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:55,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:55,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:55,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:26:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:55,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:55,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:55,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:55,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:55,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:55,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:26:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:55,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:55,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:55,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:55,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:55,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:55,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:55,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:26:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:55,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:55,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:26:55,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:55,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:26:55,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:55,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:55,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:55,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:55,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:55,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:26:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:55,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:26:55,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:26:55,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:26:55,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:26:55,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:26:55,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:26:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:26:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:26:55,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:26:55,635 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:26:55,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:26:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:26:55,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:55,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:56,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:26:56,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:00,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:00,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 11:27:00,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:27:00,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:27:00,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:00,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:00,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 11:27:00,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:00,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:00,797 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:27:00,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:00,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:00,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:00,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:00,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:00,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 11:27:01,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:27:01,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-10-13 11:27:01,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:27:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:01,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:27:01,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:01,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:27:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:27:01,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:27:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:01,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:01,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:27:01,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-13 11:27:01,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:01,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:01,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:01,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:01,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:01,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:01,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:27:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:27:01,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:27:01,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-13 11:27:01,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:27:01,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:27:01,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:01,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:01,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:01,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:27:01,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:01,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:01,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:01,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:01,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 11:27:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:27:01,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:27:01,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:27:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:27:01,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:27:01,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:01,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:01,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:01,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:01,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:27:01,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:01,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:01,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:01,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:01,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:01,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:01,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:01,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:01,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:01,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:01,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:01,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:01,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:01,754 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:27:01,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [451286895] [2020-10-13 11:27:01,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:27:01,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:27:01,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113825471] [2020-10-13 11:27:01,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:27:01,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:27:01,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:27:01,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:27:01,757 INFO L87 Difference]: Start difference. First operand 638 states and 1003 transitions. Second operand 9 states. [2020-10-13 11:27:03,024 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:03,883 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:27:05,438 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:17,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:27:17,665 INFO L93 Difference]: Finished difference Result 1509 states and 2489 transitions. [2020-10-13 11:27:17,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 11:27:17,666 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 127 [2020-10-13 11:27:17,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:27:17,674 INFO L225 Difference]: With dead ends: 1509 [2020-10-13 11:27:17,675 INFO L226 Difference]: Without dead ends: 908 [2020-10-13 11:27:17,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:27:17,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-13 11:27:17,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 638. [2020-10-13 11:27:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2020-10-13 11:27:17,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 1002 transitions. [2020-10-13 11:27:17,849 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 1002 transitions. Word has length 127 [2020-10-13 11:27:17,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:27:17,850 INFO L479 AbstractCegarLoop]: Abstraction has 638 states and 1002 transitions. [2020-10-13 11:27:17,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:27:17,850 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1002 transitions. [2020-10-13 11:27:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-13 11:27:17,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:27:17,853 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:27:17,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:27:17,854 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:27:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:27:17,854 INFO L82 PathProgramCache]: Analyzing trace with hash -506402221, now seen corresponding path program 1 times [2020-10-13 11:27:17,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:27:17,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024155363] [2020-10-13 11:27:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:27:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:17,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:18,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:18,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:18,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:18,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:19,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:22,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:22,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-13 11:27:22,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:27:22,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-13 11:27:22,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:22,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:22,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 11:27:22,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:22,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:23,746 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:27:23,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:23,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:23,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:23,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:23,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:27:23,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:23,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:23,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:23,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:23,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:23,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:27:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:23,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:23,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:23,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:23,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:23,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:23,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:23,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:23,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:23,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:23,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:23,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:23,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:23,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:23,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:23,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:23,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:23,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:27:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:23,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:23,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:23,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:23,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:23,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:23,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:23,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:23,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:27:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:23,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:23,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:23,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:23,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:23,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:23,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:23,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:23,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:23,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:23,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:23,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:27:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:23,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:23,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:23,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:23,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:23,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:23,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:23,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:24,014 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:27:24,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:27:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:24,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:24,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-13 11:27:29,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:27:29,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 11:27:29,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 11:27:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:29,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,171 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:27:29,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 11:27:29,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 11:27:29,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:27:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:27:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 11:27:29,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:29,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:29,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:27:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:29,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:27:29,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:27:29,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 11:27:29,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:29,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:27:29,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:27:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:29,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:27:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:29,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:29,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:29,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 11:27:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:27:29,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:27:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-13 11:27:29,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:27:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:27:29,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:29,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:29,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:29,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:27:29,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:29,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:29,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:29,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:29,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:29,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 11:27:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:27:29,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:27:29,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:27:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:27:29,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:27:29,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:29,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:29,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:29,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:27:29,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:29,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:29,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:29,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:29,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:29,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:29,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:29,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:29,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:29,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:29,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:29,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:29,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:27:29,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024155363] [2020-10-13 11:27:29,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:27:29,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:27:29,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821563318] [2020-10-13 11:27:29,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:27:29,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:27:29,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:27:29,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:27:29,727 INFO L87 Difference]: Start difference. First operand 638 states and 1002 transitions. Second operand 9 states. [2020-10-13 11:27:31,223 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:32,968 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:27:33,736 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2020-10-13 11:27:45,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:27:45,773 INFO L93 Difference]: Finished difference Result 1536 states and 2534 transitions. [2020-10-13 11:27:45,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:27:45,774 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 128 [2020-10-13 11:27:45,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:27:45,780 INFO L225 Difference]: With dead ends: 1536 [2020-10-13 11:27:45,781 INFO L226 Difference]: Without dead ends: 939 [2020-10-13 11:27:45,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:27:45,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-10-13 11:27:45,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 662. [2020-10-13 11:27:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-10-13 11:27:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1031 transitions. [2020-10-13 11:27:45,934 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1031 transitions. Word has length 128 [2020-10-13 11:27:45,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:27:45,935 INFO L479 AbstractCegarLoop]: Abstraction has 662 states and 1031 transitions. [2020-10-13 11:27:45,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:27:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1031 transitions. [2020-10-13 11:27:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-13 11:27:45,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:27:45,936 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:27:45,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:27:45,937 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:27:45,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:27:45,937 INFO L82 PathProgramCache]: Analyzing trace with hash -2124132036, now seen corresponding path program 1 times [2020-10-13 11:27:45,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:27:45,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586811442] [2020-10-13 11:27:45,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:27:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:46,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:46,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:46,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:46,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:46,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:46,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:51,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:51,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-13 11:27:51,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:27:51,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-13 11:27:51,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 11:27:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:27:51,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:51,821 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2020-10-13 11:27:51,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:51,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:51,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:51,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:51,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:27:51,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:51,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:51,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:27:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:51,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:51,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:51,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:51,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:51,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:51,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:51,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:51,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:51,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:51,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:51,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:51,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:51,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:51,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:51,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:51,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:51,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:51,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:51,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:51,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:27:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:51,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:51,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:51,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:51,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:51,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:51,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:51,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:51,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:27:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:51,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:51,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:51,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:27:51,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:51,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:51,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:51,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:51,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:51,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:51,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:51,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:27:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:51,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:51,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:51,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:51,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:51,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:51,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:51,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:51,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:51,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:51,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:52,098 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 11:27:52,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 11:27:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:52,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:52,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:52,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:52,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:52,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 11:27:57,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:27:57,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 11:27:57,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:57,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 11:27:57,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:27:57,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,253 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-13 11:27:57,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:27:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:27:57,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:57,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 11:27:57,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:27:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:27:57,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 11:27:57,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:27:57,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:27:57,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:57,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:27:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 11:27:57,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:27:57,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:27:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:27:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 11:27:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:27:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:57,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:27:57,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:27:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:57,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:27:57,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:57,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:57,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 11:27:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-13 11:27:57,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:27:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-13 11:27:57,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 11:27:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:27:57,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:57,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:27:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 11:27:57,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:27:57,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:57,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:27:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:27:57,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:27:57,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:27:57,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:57,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:57,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 11:27:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 11:27:57,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:27:57,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 11:27:57,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:27:57,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:27:57,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:57,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:57,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:57,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:57,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:27:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:27:57,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:27:57,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:27:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:27:57,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:27:57,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:27:57,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:27:57,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:27:57,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:27:57,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:27:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:27:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:27:57,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:27:57,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:27:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:27:57,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586811442] [2020-10-13 11:27:57,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:27:57,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 11:27:57,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539609978] [2020-10-13 11:27:57,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:27:57,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:27:57,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:27:57,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:27:57,805 INFO L87 Difference]: Start difference. First operand 662 states and 1031 transitions. Second operand 9 states. [2020-10-13 11:27:59,205 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:28:01,203 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-13 11:28:01,957 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 402