/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:36:44,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:36:44,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:36:44,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:36:44,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:36:44,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:36:44,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:36:44,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:36:44,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:36:44,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:36:44,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:36:44,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:36:44,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:36:44,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:36:44,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:36:44,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:36:44,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:36:44,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:36:44,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:36:44,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:36:44,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:36:44,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:36:44,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:36:44,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:36:44,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:36:44,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:36:44,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:36:44,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:36:44,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:36:44,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:36:44,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:36:44,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:36:44,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:36:44,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:36:44,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:36:44,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:36:44,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:36:44,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:36:44,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:36:44,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:36:44,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:36:44,532 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 [2020-10-28 15:36:44,618 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:36:44,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:36:44,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:36:44,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:36:44,620 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:36:44,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:36:44,621 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:36:44,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:36:44,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:36:44,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:36:44,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:36:44,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:36:44,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:36:44,623 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:36:44,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:36:44,624 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:36:44,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:36:44,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:36:44,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:36:44,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:36:44,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:36:44,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:36:44,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:36:44,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:36:44,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:36:44,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:36:44,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:36:44,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:36:44,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:36:44,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:36:45,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:36:45,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:36:45,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:36:45,044 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:36:45,045 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:36:45,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product17.cil.c [2020-10-28 15:36:45,139 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a17150d0/395ae745b0734cf4883ee27b6863729f/FLAG92a52a1e7 [2020-10-28 15:36:45,913 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:36:45,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product17.cil.c [2020-10-28 15:36:45,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a17150d0/395ae745b0734cf4883ee27b6863729f/FLAG92a52a1e7 [2020-10-28 15:36:46,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3a17150d0/395ae745b0734cf4883ee27b6863729f [2020-10-28 15:36:46,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:36:46,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:36:46,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:36:46,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:36:46,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:36:46,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:36:46" (1/1) ... [2020-10-28 15:36:46,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1f2965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:46, skipping insertion in model container [2020-10-28 15:36:46,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:36:46" (1/1) ... [2020-10-28 15:36:46,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:36:46,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:36:46,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:36:46,874 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:36:47,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:36:47,112 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:36:47,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:47 WrapperNode [2020-10-28 15:36:47,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:36:47,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:36:47,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:36:47,114 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:36:47,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:47" (1/1) ... [2020-10-28 15:36:47,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:47" (1/1) ... [2020-10-28 15:36:47,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:47" (1/1) ... [2020-10-28 15:36:47,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:47" (1/1) ... [2020-10-28 15:36:47,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:47" (1/1) ... [2020-10-28 15:36:47,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:47" (1/1) ... [2020-10-28 15:36:47,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:47" (1/1) ... [2020-10-28 15:36:47,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:36:47,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:36:47,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:36:47,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:36:47,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:47" (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 [2020-10-28 15:36:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:36:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:36:47,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:36:47,416 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:36:47,416 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:36:47,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:36:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:36:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:36:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:36:47,418 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:36:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:36:47,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:36:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:36:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:36:47,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:36:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:36:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:36:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:36:47,421 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:36:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:36:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:36:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:36:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:36:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:36:47,422 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:36:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:36:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:36:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:36:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:36:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:36:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:36:47,423 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:36:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:36:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:36:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:36:47,424 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:36:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:36:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:36:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:36:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:36:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:36:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:36:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-28 15:36:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:36:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:36:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:36:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:36:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:36:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:36:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:36:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:36:47,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:36:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:36:47,429 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:36:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:36:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:36:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:36:47,430 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:36:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:36:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:36:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:36:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:36:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:36:47,431 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:36:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 15:36:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 15:36:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-28 15:36:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-28 15:36:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:36:47,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:36:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:36:47,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:36:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:36:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:36:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:36:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:36:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:36:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:36:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:36:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:36:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:36:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:36:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:36:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:36:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:36:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:36:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:36:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:36:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:36:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:36:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:36:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:36:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:36:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:36:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:36:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:36:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:36:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:36:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:36:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:36:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:36:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:36:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:36:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:36:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:36:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:36:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:36:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:36:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:36:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:36:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:36:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:36:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:36:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:36:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:36:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:36:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:36:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:36:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:36:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:36:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 15:36:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-28 15:36:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:36:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:36:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:36:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:36:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:36:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:36:47,447 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:36:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:36:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:36:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:36:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-28 15:36:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:36:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:36:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 15:36:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:36:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:36:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:36:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:36:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:36:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:36:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:36:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:36:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:36:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-28 15:36:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:36:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:36:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:36:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:36:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:36:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:36:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:36:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:36:50,045 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:36:50,046 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:36:50,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:36:50 BoogieIcfgContainer [2020-10-28 15:36:50,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:36:50,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:36:50,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:36:50,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:36:50,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:36:46" (1/3) ... [2020-10-28 15:36:50,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af89b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:36:50, skipping insertion in model container [2020-10-28 15:36:50,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:36:47" (2/3) ... [2020-10-28 15:36:50,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5af89b2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:36:50, skipping insertion in model container [2020-10-28 15:36:50,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:36:50" (3/3) ... [2020-10-28 15:36:50,063 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product17.cil.c [2020-10-28 15:36:50,081 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:36:50,088 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:36:50,104 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:36:50,152 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:36:50,153 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:36:50,153 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:36:50,153 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:36:50,153 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:36:50,154 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:36:50,154 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:36:50,154 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:36:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states. [2020-10-28 15:36:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-28 15:36:50,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:36:50,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:36:50,245 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:36:50,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:36:50,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1277522948, now seen corresponding path program 1 times [2020-10-28 15:36:50,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:36:50,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890360579] [2020-10-28 15:36:50,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:36:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:50,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:51,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:51,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:51,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:52,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:53,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:55,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:55,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-28 15:36:55,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:36:55,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 15:36:55,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:55,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:55,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 142 [2020-10-28 15:36:55,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:55,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:36:57,224 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:36:57,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:36:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:57,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:57,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:57,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:57,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:57,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-28 15:36:57,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:57,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:57,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:36:57,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:36:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:57,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:57,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:57,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:57,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:57,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:36:57,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:57,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:57,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:57,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:57,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:57,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:36:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:57,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:57,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:57,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:57,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:57,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:57,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:57,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:57,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:57,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:57,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:36:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:57,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:57,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:57,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:57,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:57,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:36:57,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:57,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:57,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:57,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:57,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:57,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:57,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:36:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:57,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:57,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:57,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:57,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:57,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:36:57,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:57,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:57,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:57,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:36:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:57,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:57,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:57,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:57,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:36:57,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:57,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:57,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:57,786 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:36:57,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:36:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:57,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:57,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:57,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:57,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:58,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:58,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:02,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:02,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 15:37:02,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:37:02,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 15:37:02,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:02,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:37:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 15:37:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:37:02,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:03,030 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:37:03,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:37:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:03,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:03,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:03,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:03,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:03,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:03,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:03,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:37:03,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:37:03,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-28 15:37:03,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:03,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:03,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:03,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:03,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:03,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:03,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:03,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:03,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:37:03,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 15:37:03,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:03,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:03,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:03,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:03,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:03,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:37:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:03,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:03,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:03,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:03,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:37:03,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:37:03,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 15:37:03,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:03,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:03,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:03,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:37:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:03,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:03,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:03,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:03,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:03,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:37:03,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:03,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:03,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:03,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:03,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 15:37:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:03,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:04,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:04,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:04,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:04,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:07,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:08,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:08,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 15:37:08,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:37:08,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 15:37:08,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:08,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 15:37:08,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:08,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:08,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:09,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:09,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:11,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:11,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:37:11,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:37:11,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2681 [2020-10-28 15:37:11,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:11,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:11,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:11,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:11,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:11,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:11,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:11,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:11,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:11,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:37:11,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:11,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:37:11,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:11,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:11,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:11,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:11,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:11,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:11,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:11,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:11,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:11,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:11,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:11,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:11,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:11,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:11,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:11,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:11,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:37:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:11,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:11,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:11,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:37:11,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:11,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:11,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:11,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:11,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:11,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:11,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:11,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:11,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:37:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:11,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:11,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:37:11,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:11,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:37:11,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:11,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:11,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:11,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:11,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:37:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:11,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:11,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:11,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:37:11,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:37:11,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:11,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:11,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:11,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:11,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:11,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:37:11,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:11,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:11,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:11,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:11,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:11,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:11,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:11,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:11,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:11,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:11,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:37:11,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890360579] [2020-10-28 15:37:11,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:37:11,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:37:11,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430737525] [2020-10-28 15:37:11,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:37:11,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:37:11,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:37:11,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:37:11,910 INFO L87 Difference]: Start difference. First operand 746 states. Second operand 8 states. [2020-10-28 15:37:12,774 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:37:13,900 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:37:14,819 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:37:32,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:37:32,082 INFO L93 Difference]: Finished difference Result 1180 states and 2152 transitions. [2020-10-28 15:37:32,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 15:37:32,084 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2020-10-28 15:37:32,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:37:32,133 INFO L225 Difference]: With dead ends: 1180 [2020-10-28 15:37:32,133 INFO L226 Difference]: Without dead ends: 1111 [2020-10-28 15:37:32,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=81, Invalid=129, Unknown=0, NotChecked=0, Total=210 [2020-10-28 15:37:32,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1111 states. [2020-10-28 15:37:32,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1111 to 583. [2020-10-28 15:37:32,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2020-10-28 15:37:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 939 transitions. [2020-10-28 15:37:32,539 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 939 transitions. Word has length 108 [2020-10-28 15:37:32,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:37:32,542 INFO L481 AbstractCegarLoop]: Abstraction has 583 states and 939 transitions. [2020-10-28 15:37:32,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:37:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 939 transitions. [2020-10-28 15:37:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-28 15:37:32,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:37:32,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:37:32,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:37:32,552 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:37:32,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:37:32,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1655414801, now seen corresponding path program 1 times [2020-10-28 15:37:32,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:37:32,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567386733] [2020-10-28 15:37:32,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:37:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:32,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:32,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:32,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:32,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:33,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:36,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:36,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:37,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:37,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 15:37:37,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:37:37,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-28 15:37:37,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:37,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:37,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:37:37,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-28 15:37:37,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:37:37,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:39,082 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:37:39,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:37:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:39,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:39,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:39,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:39,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:39,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 15:37:39,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:39,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:39,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:39,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:39,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:37:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:39,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:39,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:39,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:39,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:39,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:39,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:39,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:39,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:39,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:37:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:39,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:39,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:39,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:39,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:39,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:39,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:39,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:39,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:39,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:37:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:39,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:39,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:39,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:39,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:39,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:39,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:39,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:39,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:39,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:37:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:39,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:39,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:39,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:37:39,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:39,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:37:39,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:39,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:39,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:39,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:39,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:39,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:39,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:37:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:39,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:39,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:39,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:39,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:39,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:39,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:39,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:39,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:39,458 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:37:39,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:37:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:39,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:39,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:39,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:39,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:39,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:39,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:42,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:44,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 15:37:44,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 15:37:44,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 15:37:44,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:44,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:44,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:37:44,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 15:37:44,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:37:44,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:44,661 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:37:44,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:37:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:44,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:44,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:45,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:37:45,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:37:45,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-28 15:37:45,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:45,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:45,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:45,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:45,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:45,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:45,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:45,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:45,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:37:45,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:37:45,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:45,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:45,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:45,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:37:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:45,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:45,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:37:45,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:37:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 15:37:45,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:45,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:45,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:45,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:45,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:37:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:45,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:45,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:45,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:45,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:37:45,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:45,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:45,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:45,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:45,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:45,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 15:37:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:45,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:45,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:48,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:37:48,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:37:48,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3625 [2020-10-28 15:37:48,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:48,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 15:37:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 15:37:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:37:48,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:48,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:48,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:48,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:50,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:50,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:37:50,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:37:50,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1581 [2020-10-28 15:37:50,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:50,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:50,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 15:37:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 15:37:50,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:37:50,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:50,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:50,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:50,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:50,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:37:50,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:50,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:37:50,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:50,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:50,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:50,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:50,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:50,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:50,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:50,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:50,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:50,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:37:50,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:37:50,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:50,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:50,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:50,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:50,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:37:50,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:37:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:50,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:50,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:50,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:37:50,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:50,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:37:50,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:50,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:37:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:37:50,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:37:50,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:37:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:50,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:50,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:50,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:37:50,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:50,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:37:50,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:50,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:50,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:50,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:50,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:37:50,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:50,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:37:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:50,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:50,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:50,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:37:50,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:50,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 15:37:50,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:50,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:50,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:37:50,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 15:37:50,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 15:37:50,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:50,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:37:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:37:50,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:37:50,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:37:50,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:37:50,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:37:50,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:37:50,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:37:50,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:37:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:37:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:37:50,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:37:50,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:37:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:37:50,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567386733] [2020-10-28 15:37:50,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:37:50,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 15:37:50,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436253524] [2020-10-28 15:37:50,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 15:37:50,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:37:50,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 15:37:50,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-28 15:37:50,777 INFO L87 Difference]: Start difference. First operand 583 states and 939 transitions. Second operand 14 states. [2020-10-28 15:37:52,445 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:37:52,915 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 15:37:54,608 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:37:55,703 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-28 15:37:56,209 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-28 15:37:56,407 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:37:58,237 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:37:59,426 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-28 15:38:01,051 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-28 15:38:02,272 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-28 15:38:04,970 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 416 DAG size of output: 411 [2020-10-28 15:38:07,462 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 416 DAG size of output: 411 [2020-10-28 15:38:08,948 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-28 15:38:09,331 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2020-10-28 15:38:09,620 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:38:09,800 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 15:38:13,842 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 15:38:16,168 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:38:18,429 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:38:19,925 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-28 15:38:21,299 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-28 15:38:21,843 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 15:38:22,719 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:38:27,686 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 412 [2020-10-28 15:38:28,789 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-28 15:38:32,821 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:38:34,945 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-28 15:38:38,622 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:39:30,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:39:30,894 INFO L93 Difference]: Finished difference Result 4165 states and 7832 transitions. [2020-10-28 15:39:30,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-28 15:39:30,895 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 110 [2020-10-28 15:39:30,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:39:30,943 INFO L225 Difference]: With dead ends: 4165 [2020-10-28 15:39:30,944 INFO L226 Difference]: Without dead ends: 3675 [2020-10-28 15:39:30,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1598 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=869, Invalid=3553, Unknown=0, NotChecked=0, Total=4422 [2020-10-28 15:39:30,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3675 states. [2020-10-28 15:39:31,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3675 to 1856. [2020-10-28 15:39:31,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1856 states. [2020-10-28 15:39:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 3003 transitions. [2020-10-28 15:39:31,687 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 3003 transitions. Word has length 110 [2020-10-28 15:39:31,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:39:31,688 INFO L481 AbstractCegarLoop]: Abstraction has 1856 states and 3003 transitions. [2020-10-28 15:39:31,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 15:39:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 3003 transitions. [2020-10-28 15:39:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-28 15:39:31,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:39:31,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:39:31,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:39:31,699 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:39:31,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:39:31,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1930174415, now seen corresponding path program 1 times [2020-10-28 15:39:31,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:39:31,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892291234] [2020-10-28 15:39:31,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:39:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:31,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:31,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:32,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:32,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:32,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:35,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:36,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:36,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:36,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 15:39:36,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:39:36,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 15:39:36,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:36,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:39:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:39:36,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:39:36,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:38,090 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:39:38,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:39:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:38,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:38,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:38,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:38,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 15:39:38,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:38,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:38,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:38,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:38,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:38,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:38,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:39:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:38,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:38,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:39:38,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:38,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:39:38,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:38,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:38,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:38,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:38,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:38,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:38,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:39:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:38,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:38,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:39:38,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:38,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:39:38,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:38,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:38,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:38,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:38,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:38,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:38,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:39:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:38,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:38,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:38,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:38,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:39:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:38,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:38,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:39:38,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:38,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:38,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:38,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:38,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:38,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:38,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:39:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:38,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:38,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:38,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:38,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:38,483 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:39:38,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:39:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:38,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:38,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:43,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:43,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 15:39:43,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:39:43,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 15:39:43,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:43,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:43,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:39:43,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:39:43,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:39:43,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:43,680 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:39:43,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:39:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:43,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:43,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:43,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:43,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:44,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:39:44,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:39:44,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 389 [2020-10-28 15:39:44,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:44,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:44,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:39:44,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:39:44,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:39:44,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:44,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:44,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:44,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:39:44,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:39:44,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:39:44,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:44,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:44,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:44,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:44,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:44,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:44,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:39:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:44,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:44,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:39:44,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:44,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 15:39:44,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:44,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:39:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:39:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 15:39:44,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:44,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:39:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:44,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:44,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:39:44,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:44,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:44,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:44,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:39:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:39:44,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:44,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 15:39:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:44,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:44,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:39:44,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:39:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 441 [2020-10-28 15:39:44,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:44,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:39:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:44,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:44,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:44,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:39:44,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:39:44,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-28 15:39:44,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:44,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:44,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:44,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:44,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:44,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:44,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:44,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:44,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:39:44,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:44,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:44,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:44,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:44,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:44,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:44,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:44,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:39:44,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:44,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:44,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:44,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:44,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:44,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:44,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:44,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:44,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:39:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:44,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:44,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:39:44,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:44,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:39:44,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:44,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:44,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:44,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:44,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:44,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:44,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:39:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:44,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:44,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:45,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:45,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:39:45,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:39:45,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:39:45,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:45,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:45,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:45,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:45,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:45,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:45,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:39:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:45,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:45,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:45,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:39:45,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:45,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:39:45,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:45,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:45,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:45,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:45,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:45,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:45,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:39:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:39:45,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:39:45,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:39:45,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:39:45,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:39:45,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:39:45,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:39:45,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:39:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:39:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:39:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:39:45,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:39:45,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:39:45,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892291234] [2020-10-28 15:39:45,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:39:45,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:39:45,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129942864] [2020-10-28 15:39:45,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:39:45,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:39:45,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:39:45,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:39:45,135 INFO L87 Difference]: Start difference. First operand 1856 states and 3003 transitions. Second operand 10 states. [2020-10-28 15:39:46,224 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:39:47,660 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:39:49,217 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:39:50,165 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:40:11,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:40:11,335 INFO L93 Difference]: Finished difference Result 5324 states and 9638 transitions. [2020-10-28 15:40:11,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:40:11,336 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-10-28 15:40:11,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:40:11,378 INFO L225 Difference]: With dead ends: 5324 [2020-10-28 15:40:11,379 INFO L226 Difference]: Without dead ends: 3551 [2020-10-28 15:40:11,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-10-28 15:40:11,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3551 states. [2020-10-28 15:40:12,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3551 to 1856. [2020-10-28 15:40:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1856 states. [2020-10-28 15:40:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2998 transitions. [2020-10-28 15:40:12,077 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2998 transitions. Word has length 110 [2020-10-28 15:40:12,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:40:12,078 INFO L481 AbstractCegarLoop]: Abstraction has 1856 states and 2998 transitions. [2020-10-28 15:40:12,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:40:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2998 transitions. [2020-10-28 15:40:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-28 15:40:12,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:40:12,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:40:12,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:40:12,082 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:40:12,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:40:12,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1661599451, now seen corresponding path program 1 times [2020-10-28 15:40:12,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:40:12,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003166791] [2020-10-28 15:40:12,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:40:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:12,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:12,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:12,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:12,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:13,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:17,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:17,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-28 15:40:17,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:40:17,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-28 15:40:17,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:17,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:40:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:40:17,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:18,466 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:40:18,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:40:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:18,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:18,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:18,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:18,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 15:40:18,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:18,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:18,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:18,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:18,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:40:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:18,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:18,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:18,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:18,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:18,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:18,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:18,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:18,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:18,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:18,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:18,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:40:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:18,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:18,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:18,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:18,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:18,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:18,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:18,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:18,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:18,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:40:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:18,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:18,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:18,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:18,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:18,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:18,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:18,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:18,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:18,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:18,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:18,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:40:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:18,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:18,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:40:18,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:18,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:18,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:18,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:18,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:18,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:18,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:40:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:18,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:18,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:18,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:18,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:18,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:18,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:18,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:18,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:18,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:18,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:18,812 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:40:18,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:40:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:18,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:18,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:20,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:23,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:23,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-28 15:40:23,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:40:23,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 15:40:23,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:23,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:23,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:23,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:40:23,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:40:23,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:23,980 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:40:23,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:40:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:23,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:23,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 15:40:24,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:40:24,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-28 15:40:24,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:24,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:40:24,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:40:24,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:40:24,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:40:24,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:40:24,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:24,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:24,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:40:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 15:40:24,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 15:40:24,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:40:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:40:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 15:40:24,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:24,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:40:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:24,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:40:24,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:24,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:40:24,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:24,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:40:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:40:24,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:40:24,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:40:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:24,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:24,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:25,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:40:25,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:40:25,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-28 15:40:25,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:25,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:40:25,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:25,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 15:40:25,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:25,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:25,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:40:25,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:40:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-28 15:40:25,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:25,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:25,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:25,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:25,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:25,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:40:25,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:25,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:25,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:25,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:25,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:25,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:25,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:25,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:25,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:25,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:25,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:40:25,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:25,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:25,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:25,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:25,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:25,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:25,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:40:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:25,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:25,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:40:25,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:25,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:25,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:25,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:25,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:25,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:25,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:40:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:25,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:25,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:40:25,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:40:25,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:40:25,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:25,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:25,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:25,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:25,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:25,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:25,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:40:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:25,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:25,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:40:25,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:25,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:40:25,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:25,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:25,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:25,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:25,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:25,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:25,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:40:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:40:25,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:40:25,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:40:25,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:40:25,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:40:25,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:40:25,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:40:25,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:40:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:40:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:40:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:40:25,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:40:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 15:40:25,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003166791] [2020-10-28 15:40:25,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:40:25,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:40:25,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743465000] [2020-10-28 15:40:25,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:40:25,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:40:25,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:40:25,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:40:25,518 INFO L87 Difference]: Start difference. First operand 1856 states and 2998 transitions. Second operand 10 states.