/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_spec3_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:32:43,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:32:43,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:32:43,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:32:43,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:32:43,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:32:43,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:32:43,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:32:43,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:32:43,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:32:43,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:32:43,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:32:43,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:32:43,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:32:43,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:32:43,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:32:43,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:32:43,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:32:43,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:32:43,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:32:43,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:32:43,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:32:43,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:32:43,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:32:43,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:32:43,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:32:43,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:32:43,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:32:43,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:32:43,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:32:43,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:32:43,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:32:43,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:32:43,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:32:43,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:32:43,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:32:43,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:32:43,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:32:43,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:32:43,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:32:43,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:32:43,608 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 11:32:43,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:32:43,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:32:43,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:32:43,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:32:43,634 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:32:43,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:32:43,634 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:32:43,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:32:43,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:32:43,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:32:43,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:32:43,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:32:43,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:32:43,635 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:32:43,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:32:43,636 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:32:43,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:32:43,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:32:43,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:32:43,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:32:43,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:32:43,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:32:43,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:32:43,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:32:43,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:32:43,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:32:43,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:32:43,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:32:43,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:32:43,638 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 11:32:43,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:32:43,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:32:43,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:32:43,963 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:32:43,963 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:32:43,964 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product03.cil.c [2020-10-13 11:32:44,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/073a4de0a/e8f9bd7e046348f2b475a7673efb198d/FLAG220e02ec2 [2020-10-13 11:32:44,587 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:32:44,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product03.cil.c [2020-10-13 11:32:44,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/073a4de0a/e8f9bd7e046348f2b475a7673efb198d/FLAG220e02ec2 [2020-10-13 11:32:44,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/073a4de0a/e8f9bd7e046348f2b475a7673efb198d [2020-10-13 11:32:44,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:32:44,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:32:44,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:32:44,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:32:44,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:32:44,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:32:44" (1/1) ... [2020-10-13 11:32:44,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0619bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:44, skipping insertion in model container [2020-10-13 11:32:44,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:32:44" (1/1) ... [2020-10-13 11:32:44,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:32:44,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:32:45,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:32:45,724 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:32:45,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:32:45,978 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:32:45,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:45 WrapperNode [2020-10-13 11:32:45,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:32:45,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:32:45,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:32:45,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:32:46,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:45" (1/1) ... [2020-10-13 11:32:46,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:45" (1/1) ... [2020-10-13 11:32:46,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:45" (1/1) ... [2020-10-13 11:32:46,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:45" (1/1) ... [2020-10-13 11:32:46,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:45" (1/1) ... [2020-10-13 11:32:46,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:45" (1/1) ... [2020-10-13 11:32:46,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:45" (1/1) ... [2020-10-13 11:32:46,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:32:46,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:32:46,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:32:46,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:32:46,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:45" (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 11:32:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:32:46,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:32:46,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:32:46,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:32:46,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:32:46,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:32:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:32:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:32:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:32:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:32:46,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:32:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-13 11:32:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-13 11:32:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:32:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:32:46,319 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:32:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:32:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:32:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:32:46,320 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:32:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:32:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:32:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:32:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:32:46,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:32:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:32:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:32:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:32:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:32:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:32:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:32:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:32:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:32:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:32:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:32:46,323 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:32:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:32:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:32:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:32:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:32:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:32:46,324 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__base [2020-10-13 11:32:46,325 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:32:46,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:32:46,325 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:32:46,325 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__base [2020-10-13 11:32:46,325 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:32:46,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:32:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:32:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:32:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:32:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:32:46,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-13 11:32:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-13 11:32:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:32:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:32:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:32:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:32:46,327 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:32:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:32:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:32:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:32:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:32:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:32:46,328 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:32:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:32:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:32:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:32:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:32:46,329 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:32:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:32:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:32:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:32:46,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:32:46,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:32:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:32:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:32:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:32:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:32:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:32:46,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:32:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:32:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:32:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:32:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:32:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:32:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:32:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:32:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:32:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:32:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:32:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:32:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:32:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:32:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:32:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:32:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:32:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:32:46,334 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:32:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:32:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:32:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:32:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:32:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:32:46,335 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:32:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:32:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-13 11:32:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-13 11:32:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:32:46,336 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:32:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:32:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:32:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:32:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:32:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:32:46,337 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:32:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:32:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:32:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:32:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:32:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:32:46,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:32:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:32:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:32:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:32:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:32:46,339 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:32:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:32:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:32:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:32:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-13 11:32:46,340 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-13 11:32:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:32:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:32:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:32:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:32:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__base [2020-10-13 11:32:46,341 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:32:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:32:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__base [2020-10-13 11:32:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:32:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:32:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:32:46,342 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:32:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:32:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:32:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:32:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:32:46,343 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:32:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:32:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:32:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:32:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:32:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:32:46,344 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:32:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:32:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:32:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:32:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:32:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:32:46,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:32:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:32:46,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:32:48,549 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:32:48,550 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:32:48,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:32:48 BoogieIcfgContainer [2020-10-13 11:32:48,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:32:48,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:32:48,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:32:48,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:32:48,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:32:44" (1/3) ... [2020-10-13 11:32:48,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63da5a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:32:48, skipping insertion in model container [2020-10-13 11:32:48,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:32:45" (2/3) ... [2020-10-13 11:32:48,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63da5a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:32:48, skipping insertion in model container [2020-10-13 11:32:48,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:32:48" (3/3) ... [2020-10-13 11:32:48,568 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product03.cil.c [2020-10-13 11:32:48,578 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:32:48,588 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:32:48,603 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:32:48,632 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:32:48,632 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:32:48,632 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:32:48,632 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:32:48,632 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:32:48,632 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:32:48,633 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:32:48,633 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:32:48,672 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states. [2020-10-13 11:32:48,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 11:32:48,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:32:48,698 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 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 11:32:48,698 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:32:48,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:32:48,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1710974497, now seen corresponding path program 1 times [2020-10-13 11:32:48,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:32:48,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615398680] [2020-10-13 11:32:48,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:32:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:49,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:49,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:50,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:50,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:52,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:54,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:54,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 11:32:54,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:32:54,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-13 11:32:54,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:54,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:32:54,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:32:54,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:32:54,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:32:55,892 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 11:32:55,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:32:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:55,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:55,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:55,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:55,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:55,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 11:32:55,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:55,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:56,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:32:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:56,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:56,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:32:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:56,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:56,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:32:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:56,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:56,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:32:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:32:56,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:56,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,206 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:32:56,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:32:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:32:56,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 11:32:56,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:56,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:32:56,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:32:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:32:56,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:56,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-13 11:32:56,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:32:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:32:56,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:32:56,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:56,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:32:56,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:32:56,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:32:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:32:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:32:56,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 11:32:56,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:32:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:32:56,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:32:56,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:32:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:56,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:32:56,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:32:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:32:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:56,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 11:32:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:32:56,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:32:56,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:32:56,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:56,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:56,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:56,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:32:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:56,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:56,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:56,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 11:32:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:32:56,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:32:56,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:32:56,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:32:56,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:56,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:32:56,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:56,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:56,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:56,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:32:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:56,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:56,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:56,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:56,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:56,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:56,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:56,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:56,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:56,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:56,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:56,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:32:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:57,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:57,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:32:57,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:57,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:32:57,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:57,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:57,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:32:57,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:57,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:57,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:57,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:57,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:32:57,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:57,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:32:57,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:57,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:57,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:57,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:57,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:57,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:32:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:57,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:57,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:32:57,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:57,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:57,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:57,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:32:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:57,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:57,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:57,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:57,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:32:57,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:57,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:57,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:32:57,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:57,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:57,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 11:32:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:57,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:57,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:32:57,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:32:57,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:32:57,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:57,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:57,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:32:57,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:57,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:32:57,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:32:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:32:57,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:32:57,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:32:57,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:32:57,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:32:57,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:32:57,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:32:57,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:32:57,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:32:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:32:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:32:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:32:57,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615398680] [2020-10-13 11:32:57,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:32:57,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:32:57,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65561817] [2020-10-13 11:32:57,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:32:57,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:32:57,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:32:57,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:32:57,276 INFO L87 Difference]: Start difference. First operand 769 states. Second operand 13 states. [2020-10-13 11:32:59,775 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:33:00,497 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:33:01,203 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2020-10-13 11:33:01,981 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:33:02,679 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-13 11:33:21,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:33:21,178 INFO L93 Difference]: Finished difference Result 1538 states and 2705 transitions. [2020-10-13 11:33:21,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-13 11:33:21,180 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 141 [2020-10-13 11:33:21,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:33:21,220 INFO L225 Difference]: With dead ends: 1538 [2020-10-13 11:33:21,223 INFO L226 Difference]: Without dead ends: 923 [2020-10-13 11:33:21,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:33:21,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-10-13 11:33:21,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 615. [2020-10-13 11:33:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-10-13 11:33:21,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 984 transitions. [2020-10-13 11:33:21,555 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 984 transitions. Word has length 141 [2020-10-13 11:33:21,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:33:21,556 INFO L479 AbstractCegarLoop]: Abstraction has 615 states and 984 transitions. [2020-10-13 11:33:21,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:33:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 984 transitions. [2020-10-13 11:33:21,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-13 11:33:21,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:33:21,565 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 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 11:33:21,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:33:21,565 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:33:21,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:33:21,566 INFO L82 PathProgramCache]: Analyzing trace with hash 896936914, now seen corresponding path program 1 times [2020-10-13 11:33:21,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:33:21,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1172397034] [2020-10-13 11:33:21,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:33:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:21,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:21,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:21,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:22,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:22,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:22,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:23,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:24,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:26,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:26,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 11:33:26,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:33:26,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:33:26,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:26,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:26,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 11:33:26,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:33:26,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:27,338 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 11:33:27,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:27,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:27,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:27,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:27,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:33:27,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:27,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:27,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:27,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:27,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:27,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:27,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:27,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:27,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:27,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:27,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:27,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:27,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:33:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:27,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:27,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:27,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:27,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:27,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:27,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:27,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:27,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:33:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:27,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:27,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:27,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:27,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:27,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:27,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:27,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:27,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:27,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:27,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:33:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:27,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:27,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:27,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:27,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:27,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:27,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:27,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:27,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:27,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:27,564 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:33:27,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:33:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:27,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:27,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:33:27,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:27,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:33:27,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:27,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:27,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:27,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:27,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 11:33:27,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:27,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:27,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:27,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:27,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:33:27,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:27,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:27,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:27,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:27,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:27,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:33:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:27,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:27,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:33:28,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:28,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-13 11:33:28,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:28,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:33:28,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:33:28,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:28,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:33:28,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:33:28,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:33:28,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:28,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:33:28,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:33:28,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:33:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:33:28,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:33:28,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:33:28,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:33:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:28,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:28,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:33:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:33:28,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:33:28,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:33:28,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:28,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:28,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:28,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:28,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:33:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:33:28,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:33:28,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:33:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:28,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:33:28,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:28,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:28,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:28,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:33:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:28,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:28,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:33:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:33:28,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:33:28,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:33:28,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:28,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:33:28,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:28,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:28,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:28,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:33:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:28,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:28,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:28,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:33:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:28,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:33:28,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:33:28,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:33:28,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:28,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:33:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:28,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:28,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:28,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:28,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:28,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:28,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:28,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:28,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:33:28,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:28,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:33:28,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1172397034] [2020-10-13 11:33:28,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:33:28,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:33:28,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217451839] [2020-10-13 11:33:28,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:33:28,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:33:28,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:33:28,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:33:28,663 INFO L87 Difference]: Start difference. First operand 615 states and 984 transitions. Second operand 10 states. [2020-10-13 11:33:30,777 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:33:31,506 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-13 11:33:45,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:33:45,087 INFO L93 Difference]: Finished difference Result 1502 states and 2593 transitions. [2020-10-13 11:33:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:33:45,088 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2020-10-13 11:33:45,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:33:45,099 INFO L225 Difference]: With dead ends: 1502 [2020-10-13 11:33:45,099 INFO L226 Difference]: Without dead ends: 917 [2020-10-13 11:33:45,104 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2020-10-13 11:33:45,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2020-10-13 11:33:45,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 615. [2020-10-13 11:33:45,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-10-13 11:33:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 983 transitions. [2020-10-13 11:33:45,266 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 983 transitions. Word has length 142 [2020-10-13 11:33:45,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:33:45,266 INFO L479 AbstractCegarLoop]: Abstraction has 615 states and 983 transitions. [2020-10-13 11:33:45,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:33:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 983 transitions. [2020-10-13 11:33:45,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-13 11:33:45,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:33:45,274 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 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 11:33:45,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:33:45,274 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:33:45,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:33:45,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1108751173, now seen corresponding path program 1 times [2020-10-13 11:33:45,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:33:45,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63675577] [2020-10-13 11:33:45,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:33:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:45,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:45,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:45,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:45,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:46,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:46,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:46,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:47,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:50,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:50,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-13 11:33:50,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:33:50,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 11:33:50,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:50,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:50,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 11:33:50,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:33:50,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:51,207 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 11:33:51,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:33:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:51,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:51,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:51,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:51,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:51,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 11:33:51,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:51,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:51,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:51,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:51,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:51,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:51,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:51,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:51,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:51,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:51,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:51,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:33:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:51,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:51,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:51,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:51,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:51,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:51,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:51,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:51,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:51,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:33:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:51,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:51,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:51,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:51,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:51,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:51,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:51,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:51,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:51,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:33:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:51,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:51,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:51,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:33:51,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:51,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:51,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:51,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:51,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:51,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:51,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:51,534 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:33:51,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:33:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:51,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:51,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:51,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:33:51,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:51,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:33:51,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:51,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:51,715 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:33:51,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:51,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:51,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:51,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:51,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:51,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:33:51,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:51,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:51,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:51,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:33:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:51,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:51,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:51,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:51,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:33:52,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:33:52,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-13 11:33:52,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:33:52,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:33:52,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:52,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:52,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:33:52,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:33:52,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:33:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:33:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:33:52,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:52,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:33:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:33:52,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:33:52,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:33:52,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:33:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:52,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:52,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:33:52,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 11:33:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:33:52,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:33:52,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:33:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:52,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:33:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:52,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:33:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:33:52,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:33:52,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:33:52,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:33:52,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:52,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:52,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:52,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:33:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:52,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:33:52,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 11:33:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:33:52,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:33:52,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:33:52,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:33:52,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:33:52,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:33:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:33:52,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:33:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:52,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:33:52,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 11:33:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:33:52,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:33:52,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:33:52,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:33:52,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:33:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:33:52,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:33:52,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:33:52,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:33:52,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:33:52,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:33:52,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:33:52,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:33:52,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:33:52,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:33:52,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:33:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:33:52,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63675577] [2020-10-13 11:33:52,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:33:52,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:33:52,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693244691] [2020-10-13 11:33:52,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:33:52,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:33:52,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:33:52,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:33:52,602 INFO L87 Difference]: Start difference. First operand 615 states and 983 transitions. Second operand 10 states. [2020-10-13 11:33:54,037 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:33:54,731 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-13 11:34:08,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:34:08,688 INFO L93 Difference]: Finished difference Result 1502 states and 2591 transitions. [2020-10-13 11:34:08,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:34:08,689 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 143 [2020-10-13 11:34:08,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:34:08,699 INFO L225 Difference]: With dead ends: 1502 [2020-10-13 11:34:08,699 INFO L226 Difference]: Without dead ends: 917 [2020-10-13 11:34:08,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2020-10-13 11:34:08,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2020-10-13 11:34:08,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 615. [2020-10-13 11:34:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-10-13 11:34:08,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 979 transitions. [2020-10-13 11:34:08,854 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 979 transitions. Word has length 143 [2020-10-13 11:34:08,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:34:08,854 INFO L479 AbstractCegarLoop]: Abstraction has 615 states and 979 transitions. [2020-10-13 11:34:08,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:34:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 979 transitions. [2020-10-13 11:34:08,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-13 11:34:08,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:34:08,859 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 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 11:34:08,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:34:08,860 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:34:08,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:34:08,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1517302758, now seen corresponding path program 1 times [2020-10-13 11:34:08,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:34:08,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227833027] [2020-10-13 11:34:08,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:34:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:08,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:09,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:09,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:09,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:09,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:09,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:13,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:13,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 11:34:13,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:34:13,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-13 11:34:13,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:13,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:34:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 11:34:13,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:34:13,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:14,981 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 11:34:14,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:15,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:15,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:15,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:15,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 11:34:15,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:15,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:15,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:15,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:15,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:15,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:15,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:15,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:15,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:15,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:15,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:15,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:15,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:15,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:15,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:15,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:34:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:15,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:15,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:15,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:15,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:15,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:15,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:15,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:34:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:15,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:15,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:15,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:15,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:15,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:15,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:15,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:34:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:15,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:15,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:15,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:15,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:15,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:15,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:15,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:15,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:15,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:15,331 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:34:15,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:34:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:15,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:15,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:34:15,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:15,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:34:15,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:15,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:15,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:15,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:15,526 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:34:15,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:15,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:15,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:15,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:15,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:34:15,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:15,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:15,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:34:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:15,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:15,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:34:15,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:34:15,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-13 11:34:15,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:15,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:34:15,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:34:15,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:34:15,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:15,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:15,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:15,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:15,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:15,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:15,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:15,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:15,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:15,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:15,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:15,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:34:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:15,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:15,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:34:15,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:15,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 11:34:15,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:15,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:34:15,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:34:15,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:34:15,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:15,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:34:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:15,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:15,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:15,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:15,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:15,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:34:15,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:15,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:34:15,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:34:15,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:34:15,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:16,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 11:34:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:34:16,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-13 11:34:16,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:34:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:16,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:16,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:16,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:16,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:16,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:16,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:16,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:16,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:34:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:34:16,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:34:16,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:34:16,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:16,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:34:16,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:16,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:16,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:16,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:16,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:16,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:16,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:34:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:16,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:16,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:16,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:16,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:34:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:34:16,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:34:16,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:34:16,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:16,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:34:16,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:16,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:16,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:16,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:16,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:16,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:16,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:34:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:34:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:16,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:16,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:16,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:16,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:34:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:34:16,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:16,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:16,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:34:16,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:16,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:34:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:16,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:16,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:16,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:16,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:16,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:16,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:34:16,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:16,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:34:16,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227833027] [2020-10-13 11:34:16,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:34:16,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:34:16,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154889700] [2020-10-13 11:34:16,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:34:16,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:34:16,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:34:16,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:34:16,268 INFO L87 Difference]: Start difference. First operand 615 states and 979 transitions. Second operand 11 states. [2020-10-13 11:34:17,872 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:34:18,660 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:34:33,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:34:33,799 INFO L93 Difference]: Finished difference Result 1510 states and 2605 transitions. [2020-10-13 11:34:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 11:34:33,800 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2020-10-13 11:34:33,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:34:33,816 INFO L225 Difference]: With dead ends: 1510 [2020-10-13 11:34:33,816 INFO L226 Difference]: Without dead ends: 927 [2020-10-13 11:34:33,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-13 11:34:33,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2020-10-13 11:34:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 618. [2020-10-13 11:34:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-10-13 11:34:34,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 984 transitions. [2020-10-13 11:34:34,106 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 984 transitions. Word has length 142 [2020-10-13 11:34:34,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:34:34,107 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 984 transitions. [2020-10-13 11:34:34,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:34:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 984 transitions. [2020-10-13 11:34:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-13 11:34:34,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:34:34,117 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 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 11:34:34,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:34:34,117 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:34:34,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:34:34,118 INFO L82 PathProgramCache]: Analyzing trace with hash -404728637, now seen corresponding path program 1 times [2020-10-13 11:34:34,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:34:34,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980953729] [2020-10-13 11:34:34,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:34:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:34,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:34,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:35,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:35,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:39,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:39,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-13 11:34:39,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:34:39,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 11:34:39,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:39,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:34:39,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:34:39,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:34:39,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:39,987 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 11:34:39,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:34:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:39,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:40,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 11:34:40,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:40,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:40,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:34:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:40,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:40,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:34:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:40,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:40,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:34:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:34:40,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:40,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,200 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:34:40,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:34:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:34:40,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:34:40,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:40,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:34:40,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:34:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:34:40,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:40,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-13 11:34:40,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:34:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:34:40,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:34:40,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:40,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:40,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:34:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:34:40,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:34:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:34:40,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:40,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:34:40,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:34:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:34:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 11:34:40,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:34:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:34:40,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:40,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:34:40,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:34:40,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 11:34:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:34:40,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:40,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:34:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:40,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:40,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:34:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:40,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:40,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:34:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:34:40,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:34:40,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:34:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:34:40,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:34:40,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:40,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:40,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:34:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:40,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:40,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 11:34:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:34:40,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:34:40,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:34:40,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:34:40,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:34:40,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:34:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:34:40,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:40,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:34:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:40,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:40,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:34:40,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 11:34:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:34:40,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:34:40,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:34:40,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:34:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:34:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:34:40,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:34:40,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:34:40,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:34:40,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:34:40,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:34:40,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:34:40,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:34:40,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:34:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:34:40,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:34:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:34:40,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980953729] [2020-10-13 11:34:40,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:34:40,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:34:40,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511998954] [2020-10-13 11:34:40,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:34:40,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:34:40,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:34:40,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:34:40,748 INFO L87 Difference]: Start difference. First operand 618 states and 984 transitions. Second operand 13 states. [2020-10-13 11:34:42,461 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:34:43,158 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:34:43,830 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:34:44,559 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:34:45,290 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2020-10-13 11:35:02,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:35:02,255 INFO L93 Difference]: Finished difference Result 1519 states and 2615 transitions. [2020-10-13 11:35:02,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-13 11:35:02,256 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 143 [2020-10-13 11:35:02,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:35:02,264 INFO L225 Difference]: With dead ends: 1519 [2020-10-13 11:35:02,264 INFO L226 Difference]: Without dead ends: 933 [2020-10-13 11:35:02,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=215, Invalid=655, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:35:02,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2020-10-13 11:35:02,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 618. [2020-10-13 11:35:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-10-13 11:35:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 984 transitions. [2020-10-13 11:35:02,425 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 984 transitions. Word has length 143 [2020-10-13 11:35:02,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:35:02,426 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 984 transitions. [2020-10-13 11:35:02,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:35:02,426 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 984 transitions. [2020-10-13 11:35:02,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-13 11:35:02,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:35:02,430 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 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 11:35:02,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:35:02,431 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:35:02,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:35:02,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1570420835, now seen corresponding path program 1 times [2020-10-13 11:35:02,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:35:02,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081647801] [2020-10-13 11:35:02,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:35:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:02,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:02,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:02,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:02,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:03,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:03,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:03,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:04,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:07,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:07,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-13 11:35:07,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:35:07,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 11:35:07,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:07,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:35:07,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-13 11:35:07,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:35:07,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,185 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 11:35:08,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:35:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:08,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:35:08,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:08,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:08,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:35:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:08,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:08,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:08,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:35:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:08,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:08,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:08,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:35:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:08,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:08,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,381 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:35:08,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:35:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:35:08,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:35:08,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:08,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:08,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:35:08,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:08,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:35:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:35:08,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:35:08,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-13 11:35:08,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:35:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:35:08,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:35:08,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:35:08,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:08,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:08,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:35:08,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:35:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:35:08,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:08,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:35:08,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:35:08,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:35:08,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:35:08,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:35:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:08,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:35:08,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:35:08,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:35:08,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:35:08,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 11:35:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:35:08,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:35:08,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:35:08,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:08,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:08,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:08,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:08,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:08,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:08,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:35:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:35:08,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:08,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:35:08,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:35:08,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:08,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:08,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:08,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:08,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:08,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:35:09,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:09,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:09,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:09,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:09,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:09,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:09,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:09,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:09,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:09,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:09,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:09,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:09,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:09,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:09,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:35:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:09,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:09,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:09,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:09,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:09,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:09,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:09,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:09,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:09,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:09,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 11:35:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:09,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:09,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:35:09,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:09,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:35:09,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:09,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:09,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:35:09,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:09,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:09,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:09,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:09,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:35:09,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:09,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:09,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:09,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:09,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:09,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:09,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:09,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:09,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:09,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:09,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:09,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:09,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:35:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:09,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:09,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:09,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:09,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:09,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:09,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:09,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:09,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:09,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:09,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 11:35:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:09,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:09,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:35:09,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:09,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:35:09,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:09,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:09,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:35:09,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:09,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:09,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:35:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:09,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:09,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:09,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:09,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:09,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:09,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:09,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:09,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:35:09,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:09,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:35:09,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081647801] [2020-10-13 11:35:09,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:35:09,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:35:09,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178138302] [2020-10-13 11:35:09,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:35:09,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:35:09,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:35:09,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:35:09,137 INFO L87 Difference]: Start difference. First operand 618 states and 984 transitions. Second operand 11 states. [2020-10-13 11:35:10,844 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:35:11,499 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:35:26,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:35:26,981 INFO L93 Difference]: Finished difference Result 1515 states and 2616 transitions. [2020-10-13 11:35:26,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 11:35:26,982 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 143 [2020-10-13 11:35:26,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:35:26,989 INFO L225 Difference]: With dead ends: 1515 [2020-10-13 11:35:26,989 INFO L226 Difference]: Without dead ends: 929 [2020-10-13 11:35:26,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-13 11:35:26,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2020-10-13 11:35:27,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 619. [2020-10-13 11:35:27,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2020-10-13 11:35:27,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 986 transitions. [2020-10-13 11:35:27,148 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 986 transitions. Word has length 143 [2020-10-13 11:35:27,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:35:27,148 INFO L479 AbstractCegarLoop]: Abstraction has 619 states and 986 transitions. [2020-10-13 11:35:27,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:35:27,148 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 986 transitions. [2020-10-13 11:35:27,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 11:35:27,152 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:35:27,152 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 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 11:35:27,152 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:35:27,152 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:35:27,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:35:27,153 INFO L82 PathProgramCache]: Analyzing trace with hash 711996457, now seen corresponding path program 1 times [2020-10-13 11:35:27,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:35:27,153 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586983113] [2020-10-13 11:35:27,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:35:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:27,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:27,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:28,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:32,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:32,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 11:35:32,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:35:32,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 11:35:32,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 11:35:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:35:32,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:32,997 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 11:35:32,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:35:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:33,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:35:33,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:33,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:33,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:35:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:33,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:33,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:35:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:33,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:33,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:35:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:33,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:33,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,225 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:35:33,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:35:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:35:33,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:35:33,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:33,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:35:33,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:35:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 11:35:33,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:35:33,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:35:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:35:33,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:35:33,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:33,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:35:33,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:35:33,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:35:33,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:35:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:35:33,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:35:33,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:35:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:35:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:33,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:33,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 11:35:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:35:33,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:35:33,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:35:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:33,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:33,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:33,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:33,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 11:35:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:35:33,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:33,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:35:33,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:35:33,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:33,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:33,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:33,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:35:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:33,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:33,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:35:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:35:33,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:35:33,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:35:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:35:33,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:33,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:33,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:33,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:35:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:33,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:33,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:33,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 11:35:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:35:33,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:33,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:35:33,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:35:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 11:35:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:33,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:33,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:33,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:33,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:33,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:33,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:35:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:33,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:33,662 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:35:33,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586983113] [2020-10-13 11:35:33,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:35:33,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:35:33,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697370822] [2020-10-13 11:35:33,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:35:33,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:35:33,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:35:33,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:35:33,665 INFO L87 Difference]: Start difference. First operand 619 states and 986 transitions. Second operand 10 states. [2020-10-13 11:35:35,086 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2020-10-13 11:35:35,859 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:35:52,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:35:52,553 INFO L93 Difference]: Finished difference Result 1508 states and 2597 transitions. [2020-10-13 11:35:52,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:35:52,554 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-13 11:35:52,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:35:52,563 INFO L225 Difference]: With dead ends: 1508 [2020-10-13 11:35:52,564 INFO L226 Difference]: Without dead ends: 892 [2020-10-13 11:35:52,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2020-10-13 11:35:52,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-10-13 11:35:52,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 594. [2020-10-13 11:35:52,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-10-13 11:35:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 942 transitions. [2020-10-13 11:35:52,715 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 942 transitions. Word has length 146 [2020-10-13 11:35:52,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:35:52,715 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 942 transitions. [2020-10-13 11:35:52,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:35:52,715 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 942 transitions. [2020-10-13 11:35:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-13 11:35:52,718 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:35:52,718 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 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 11:35:52,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:35:52,719 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:35:52,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:35:52,719 INFO L82 PathProgramCache]: Analyzing trace with hash 825422234, now seen corresponding path program 1 times [2020-10-13 11:35:52,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:35:52,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674278981] [2020-10-13 11:35:52,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:35:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:52,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:52,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:52,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:53,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:54,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:54,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:57,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:57,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 11:35:57,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:35:57,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 11:35:57,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:57,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:35:57,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 11:35:57,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:35:57,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:58,435 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2020-10-13 11:35:58,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:35:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:58,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:58,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:58,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:58,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:35:58,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:58,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:58,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:58,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:58,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:58,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:58,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:58,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:58,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:58,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:58,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:58,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:58,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:58,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:58,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:35:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:58,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:58,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:58,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:58,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:58,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:58,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:58,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:58,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:35:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:58,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:58,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:58,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:58,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:58,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:58,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:58,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:35:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:58,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:58,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:35:58,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:58,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:58,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:58,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:58,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:58,642 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 11:35:58,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:35:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:58,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:58,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:35:58,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:58,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:35:58,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:58,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:58,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:58,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:58,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:58,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:58,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:58,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:58,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:58,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:35:58,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:58,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:58,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:58,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:58,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 11:35:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:58,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:58,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:35:58,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:35:58,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-13 11:35:58,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:35:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 11:35:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:35:58,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:58,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:58,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:58,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:58,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:58,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:58,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:35:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:58,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:58,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:35:59,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:59,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:35:59,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:35:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:35:59,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:35:59,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:35:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:35:59,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:35:59,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:35:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:35:59,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:35:59,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 11:35:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:35:59,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:59,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 11:35:59,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:59,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:59,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:59,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:35:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:59,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:59,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:35:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:35:59,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:59,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:35:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:35:59,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:35:59,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:59,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:59,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:59,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:59,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:35:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:59,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:59,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:59,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:35:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:35:59,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:35:59,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:35:59,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:35:59,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:59,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:35:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:35:59,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:59,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:59,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 11:35:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:59,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:59,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:35:59,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 11:35:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:35:59,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:35:59,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:35:59,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:35:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 11:35:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:35:59,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:35:59,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:35:59,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:35:59,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:35:59,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:35:59,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:35:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:35:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:35:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:35:59,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:35:59,226 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:35:59,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674278981] [2020-10-13 11:35:59,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:35:59,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:35:59,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907775277] [2020-10-13 11:35:59,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:35:59,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:35:59,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:35:59,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:35:59,228 INFO L87 Difference]: Start difference. First operand 594 states and 942 transitions. Second operand 11 states. [2020-10-13 11:36:01,516 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2020-10-13 11:36:02,339 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2020-10-13 11:36:03,289 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2020-10-13 11:36:23,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:36:23,946 INFO L93 Difference]: Finished difference Result 1458 states and 2510 transitions. [2020-10-13 11:36:23,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:36:23,947 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 144 [2020-10-13 11:36:23,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:36:23,954 INFO L225 Difference]: With dead ends: 1458 [2020-10-13 11:36:23,954 INFO L226 Difference]: Without dead ends: 896 [2020-10-13 11:36:23,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:36:23,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2020-10-13 11:36:24,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 594. [2020-10-13 11:36:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-10-13 11:36:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 942 transitions. [2020-10-13 11:36:24,123 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 942 transitions. Word has length 144 [2020-10-13 11:36:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:36:24,124 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 942 transitions. [2020-10-13 11:36:24,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:36:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 942 transitions. [2020-10-13 11:36:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-13 11:36:24,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:36:24,128 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 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 11:36:24,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 11:36:24,128 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:36:24,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:36:24,129 INFO L82 PathProgramCache]: Analyzing trace with hash -115528610, now seen corresponding path program 1 times [2020-10-13 11:36:24,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:36:24,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101233327] [2020-10-13 11:36:24,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:36:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:36:24,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:24,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:24,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:24,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:24,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:25,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:25,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:36:26,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking...