/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_spec3_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:43:33,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:43:33,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:43:33,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:43:33,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:43:33,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:43:33,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:43:33,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:43:33,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:43:33,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:43:33,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:43:33,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:43:33,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:43:33,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:43:33,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:43:33,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:43:33,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:43:33,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:43:33,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:43:33,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:43:33,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:43:33,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:43:33,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:43:33,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:43:33,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:43:33,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:43:33,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:43:33,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:43:33,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:43:33,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:43:33,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:43:33,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:43:33,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:43:33,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:43:33,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:43:33,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:43:33,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:43:33,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:43:33,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:43:33,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:43:33,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:43:33,795 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 15:43:33,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:43:33,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:43:33,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:43:33,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:43:33,840 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:43:33,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:43:33,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:43:33,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:43:33,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:43:33,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:43:33,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:43:33,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:43:33,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:43:33,842 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:43:33,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:43:33,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:43:33,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:43:33,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:43:33,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:43:33,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:43:33,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:43:33,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:43:33,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:43:33,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:43:33,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:43:33,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:43:33,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:43:33,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:43:33,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:43:33,845 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:43:34,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:43:34,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:43:34,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:43:34,235 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:43:34,235 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:43:34,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product22.cil.c [2020-10-28 15:43:34,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37767d05c/138134bbbb8244e5bfe8092a23547b93/FLAG33542b517 [2020-10-28 15:43:35,105 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:43:35,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product22.cil.c [2020-10-28 15:43:35,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37767d05c/138134bbbb8244e5bfe8092a23547b93/FLAG33542b517 [2020-10-28 15:43:35,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37767d05c/138134bbbb8244e5bfe8092a23547b93 [2020-10-28 15:43:35,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:43:35,286 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:43:35,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:43:35,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:43:35,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:43:35,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:43:35" (1/1) ... [2020-10-28 15:43:35,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4901c8b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:43:35, skipping insertion in model container [2020-10-28 15:43:35,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:43:35" (1/1) ... [2020-10-28 15:43:35,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:43:35,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:43:36,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:43:36,335 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:43:36,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:43:36,539 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:43:36,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:43:36 WrapperNode [2020-10-28 15:43:36,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:43:36,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:43:36,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:43:36,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:43:36,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:43:36" (1/1) ... [2020-10-28 15:43:36,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:43:36" (1/1) ... [2020-10-28 15:43:36,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:43:36" (1/1) ... [2020-10-28 15:43:36,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:43:36" (1/1) ... [2020-10-28 15:43:36,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:43:36" (1/1) ... [2020-10-28 15:43:36,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:43:36" (1/1) ... [2020-10-28 15:43:36,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:43:36" (1/1) ... [2020-10-28 15:43:36,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:43:36,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:43:36,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:43:36,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:43:36,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:43:36" (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 15:43:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:43:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:43:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:43:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:43:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:43:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:43:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:43:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:43:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:43:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:43:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:43:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:43:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:43:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:43:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:43:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:43:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:43:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-28 15:43:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-28 15:43:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:43:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:43:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:43:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:43:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:43:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:43:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:43:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:43:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:43:36,834 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:43:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:43:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:43:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:43:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:43:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:43:36,835 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:43:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:43:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:43:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:43:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:43:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:43:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:43:36,836 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:43:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:43:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:43:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:43:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:43:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:43:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:43:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:43:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:43:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:43:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-28 15:43:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:43:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:43:36,838 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:43:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:43:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:43:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:43:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:43:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:43:36,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:43:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:43:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:43:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:43:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-28 15:43:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:43:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:43:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:43:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-28 15:43:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:43:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:43:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:43:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-28 15:43:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:43:36,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-28 15:43:36,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:43:36,842 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:43:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:43:36,842 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:43:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:43:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:43:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:43:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:43:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:43:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:43:36,843 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:43:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:43:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:43:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:43:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:43:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:43:36,844 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:43:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:43:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:43:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:43:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:43:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:43:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:43:36,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:43:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:43:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:43:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:43:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:43:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:43:36,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:43:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:43:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:43:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:43:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:43:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:43:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:43:36,847 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:43:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:43:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:43:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-28 15:43:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-28 15:43:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:43:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:43:36,848 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:43:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:43:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:43:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:43:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:43:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:43:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:43:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:43:36,850 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:43:36,850 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:43:36,850 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:43:36,850 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:43:36,850 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:43:36,850 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:43:36,851 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:43:36,851 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:43:36,851 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:43:36,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:43:36,851 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:43:36,851 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:43:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:43:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:43:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:43:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:43:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:43:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:43:36,852 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:43:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:43:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:43:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:43:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:43:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:43:36,853 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-28 15:43:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:43:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:43:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:43:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:43:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:43:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-28 15:43:36,854 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:43:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:43:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-28 15:43:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:43:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:43:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:43:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-28 15:43:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-28 15:43:36,855 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:43:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:43:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:43:36,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:43:39,901 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:43:39,901 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:43:39,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:43:39 BoogieIcfgContainer [2020-10-28 15:43:39,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:43:39,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:43:39,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:43:39,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:43:39,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:43:35" (1/3) ... [2020-10-28 15:43:39,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10637e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:43:39, skipping insertion in model container [2020-10-28 15:43:39,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:43:36" (2/3) ... [2020-10-28 15:43:39,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10637e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:43:39, skipping insertion in model container [2020-10-28 15:43:39,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:43:39" (3/3) ... [2020-10-28 15:43:39,919 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product22.cil.c [2020-10-28 15:43:39,931 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:43:39,938 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:43:39,952 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:43:39,997 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:43:39,998 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:43:39,998 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:43:39,998 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:43:39,998 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:43:39,998 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:43:39,998 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:43:39,999 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:43:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states. [2020-10-28 15:43:40,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 15:43:40,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:43:40,068 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:43:40,068 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 15:43:40,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:43:40,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1175688394, now seen corresponding path program 1 times [2020-10-28 15:43:40,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:43:40,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1019222176] [2020-10-28 15:43:40,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:43:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:40,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:41,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:41,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:43,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:43,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:44,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:45,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:45,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 15:43:45,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:43:45,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-28 15:43:45,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:45,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:45,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 15:43:45,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 15:43:45,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 15:43:45,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 15:43:47,655 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:43:47,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:43:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:47,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:47,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:47,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:47,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:47,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-28 15:43:47,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:47,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:47,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:47,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:43:47,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:43:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:47,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:47,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:47,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:43:47,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:47,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:43:47,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:47,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:47,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:43:47,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:43:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:47,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:47,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:47,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:43:47,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:47,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:43:47,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:47,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:47,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:47,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:47,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:47,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:43:47,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:43:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:47,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:47,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:47,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:47,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:47,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:43:47,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:47,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:47,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:47,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:47,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:47,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:43:47,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:43:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:47,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:47,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:47,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:43:47,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:47,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:43:47,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:47,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:47,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:47,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:47,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:47,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:43:48,055 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:43:48,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:43:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:48,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:48,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:43:48,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:48,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 15:43:48,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:48,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:43:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:43:48,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:48,284 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:43:48,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:43:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:48,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:48,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:48,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:48,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 15:43:48,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:48,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:43:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:43:48,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:48,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:43:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:48,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:48,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:43:48,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:43:48,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-28 15:43:48,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:48,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:48,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:43:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:43:48,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 15:43:48,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:43:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:48,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:48,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:43:48,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:48,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:43:48,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:48,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:48,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:48,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:48,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:43:48,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:43:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:48,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:48,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:43:48,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:48,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:43:48,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:48,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:48,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:48,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:48,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:48,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:43:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:48,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:48,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:43:48,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:43:48,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:48,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:48,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:48,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:43:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:48,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:48,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:48,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 15:43:48,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:43:48,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 15:43:48,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:48,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:48,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:43:48,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 15:43:48,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 15:43:48,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:49,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:43:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:49,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:49,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:49,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:49,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:49,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:43:49,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:49,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:43:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:49,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:43:49,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:49,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:43:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:49,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:49,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:49,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:49,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:49,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:43:49,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:49,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:43:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:43:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:43:49,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:43:49,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:43:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:49,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:49,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:49,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:49,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:49,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:43:49,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:49,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:43:49,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:49,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:43:49,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 15:43:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:43:49,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:43:49,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:43:49,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:43:49,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:43:49,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:43:49,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:43:49,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:43:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:43:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:43:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:43:49,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:43:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:43:49,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1019222176] [2020-10-28 15:43:49,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:43:49,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:43:49,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608418202] [2020-10-28 15:43:49,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:43:49,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:43:49,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:43:49,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:43:49,167 INFO L87 Difference]: Start difference. First operand 816 states. Second operand 12 states. [2020-10-28 15:43:52,483 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:43:53,140 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:43:54,379 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:43:56,421 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:43:57,629 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-28 15:43:57,927 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:43:58,220 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:43:59,729 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:44:04,459 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:44:04,997 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:44:06,627 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:44:06,919 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:44:07,168 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:44:07,857 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:44:08,700 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:44:10,615 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-28 15:44:11,022 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:44:11,811 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:44:12,064 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:44:13,195 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:44:21,409 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-10-28 15:45:17,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:45:17,498 INFO L93 Difference]: Finished difference Result 3387 states and 6133 transitions. [2020-10-28 15:45:17,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-28 15:45:17,501 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 94 [2020-10-28 15:45:17,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:45:17,570 INFO L225 Difference]: With dead ends: 3387 [2020-10-28 15:45:17,570 INFO L226 Difference]: Without dead ends: 2706 [2020-10-28 15:45:17,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=310, Invalid=1250, Unknown=0, NotChecked=0, Total=1560 [2020-10-28 15:45:17,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2020-10-28 15:45:18,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2180. [2020-10-28 15:45:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2180 states. [2020-10-28 15:45:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 3721 transitions. [2020-10-28 15:45:18,332 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 3721 transitions. Word has length 94 [2020-10-28 15:45:18,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:45:18,333 INFO L481 AbstractCegarLoop]: Abstraction has 2180 states and 3721 transitions. [2020-10-28 15:45:18,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 15:45:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 3721 transitions. [2020-10-28 15:45:18,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 15:45:18,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:45:18,347 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:45:18,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:45:18,348 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 15:45:18,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:45:18,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1416291894, now seen corresponding path program 1 times [2020-10-28 15:45:18,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:45:18,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894076865] [2020-10-28 15:45:18,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:45:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:18,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:18,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:19,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:19,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:22,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:23,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:23,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-28 15:45:23,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:45:23,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5089 [2020-10-28 15:45:23,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:23,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:45:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-28 15:45:23,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 15:45:23,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:45:24,793 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:45:24,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:45:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:24,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:24,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:24,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:24,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:24,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 15:45:24,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:24,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:24,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:24,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:24,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:24,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:24,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:45:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:24,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:24,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:24,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:45:24,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:24,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:45:24,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:24,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:24,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:24,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:45:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:24,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:24,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:24,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:45:24,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:24,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:45:24,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:24,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:24,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:24,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:45:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:24,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:24,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:24,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:24,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:24,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:45:24,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:24,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:24,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:24,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:24,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:24,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:24,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:45:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:24,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:24,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:24,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:45:24,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:24,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:45:24,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:24,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:24,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:24,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:24,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:24,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,123 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:45:25,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:45:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:25,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:25,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:45:25,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:25,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 15:45:25,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:25,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:25,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:25,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:25,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:25,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,280 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:45:25,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:45:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:25,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:25,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:25,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:25,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:45:25,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:25,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:25,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:25,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:25,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:25,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:45:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:25,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:25,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:45:25,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:45:25,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-10-28 15:45:25,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:25,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:25,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:45:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:25,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:25,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:45:25,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:25,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:45:25,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:25,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:25,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:45:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:25,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:25,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:45:25,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:25,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:45:25,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:25,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:25,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:25,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:25,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:25,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:45:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:25,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:25,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:45:25,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:25,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:45:25,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:25,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:25,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:45:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:25,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:25,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 15:45:25,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:25,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:45:25,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:25,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:45:25,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:25,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:45:25,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:45:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:25,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:25,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:25,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:25,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:45:25,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:25,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:25,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:45:25,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:25,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:45:25,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:45:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:25,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:25,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:25,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:25,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:45:25,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:25,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:45:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:25,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:45:25,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:45:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:25,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:25,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:25,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:25,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:45:25,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:25,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:25,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:45:25,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:45:25,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:45:25,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 15:45:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:45:25,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:45:25,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:45:25,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:45:25,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:45:25,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:45:25,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:45:25,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:45:25,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:45:25,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:45:25,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:45:25,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:45:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:45:25,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894076865] [2020-10-28 15:45:25,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:45:25,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:45:25,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996581833] [2020-10-28 15:45:25,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:45:25,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:45:25,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:45:25,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:45:25,768 INFO L87 Difference]: Start difference. First operand 2180 states and 3721 transitions. Second operand 8 states. [2020-10-28 15:45:27,392 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:45:27,811 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 15:45:28,877 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:45:30,615 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:45:30,893 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:45:32,090 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:45:36,362 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:46:02,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:46:02,997 INFO L93 Difference]: Finished difference Result 7373 states and 13712 transitions. [2020-10-28 15:46:03,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:46:03,004 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2020-10-28 15:46:03,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:46:03,056 INFO L225 Difference]: With dead ends: 7373 [2020-10-28 15:46:03,056 INFO L226 Difference]: Without dead ends: 5227 [2020-10-28 15:46:03,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-28 15:46:03,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5227 states. [2020-10-28 15:46:04,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5227 to 4030. [2020-10-28 15:46:04,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4030 states. [2020-10-28 15:46:04,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4030 states to 4030 states and 6936 transitions. [2020-10-28 15:46:04,117 INFO L78 Accepts]: Start accepts. Automaton has 4030 states and 6936 transitions. Word has length 94 [2020-10-28 15:46:04,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:46:04,118 INFO L481 AbstractCegarLoop]: Abstraction has 4030 states and 6936 transitions. [2020-10-28 15:46:04,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:46:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 6936 transitions. [2020-10-28 15:46:04,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 15:46:04,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:46:04,120 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:46:04,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:46:04,121 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 15:46:04,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:46:04,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1698771847, now seen corresponding path program 1 times [2020-10-28 15:46:04,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:46:04,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [224596977] [2020-10-28 15:46:04,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:46:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:04,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:04,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:05,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:06,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:07,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:09,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:09,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-28 15:46:09,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:46:09,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-28 15:46:09,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:09,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:09,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-28 15:46:09,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 15:46:09,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:10,525 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:46:10,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:46:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:10,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:10,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:10,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:10,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:10,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-28 15:46:10,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:10,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:10,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:10,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:10,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:10,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:10,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:46:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:10,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:10,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:10,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:46:10,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:46:10,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:10,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:10,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:10,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:46:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:10,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:10,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:10,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:46:10,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:10,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:46:10,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:10,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:10,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:10,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:10,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:46:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:10,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:10,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:10,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:10,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:10,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:10,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:10,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:10,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:10,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:10,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:10,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:10,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:46:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:10,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:10,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:10,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:46:10,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:10,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:46:10,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:10,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:10,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:10,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:10,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:10,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:10,832 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:46:10,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:46:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:10,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:10,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:10,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:46:10,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:10,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 15:46:10,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:10,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:10,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:10,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:10,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:10,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:10,996 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:46:10,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:46:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:11,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:11,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:11,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:11,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:46:11,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:11,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:11,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:11,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:11,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:11,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:46:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:11,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:11,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:46:11,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:46:11,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-28 15:46:11,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:11,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:11,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:11,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:11,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:11,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:11,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:46:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:11,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:11,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:46:11,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:11,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:11,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:11,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:11,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:11,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:11,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:11,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:11,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:46:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:11,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:11,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:46:11,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:11,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:46:11,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:11,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:11,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:11,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:11,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:11,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:11,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:46:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:11,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:11,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:46:11,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:11,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:46:11,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:11,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:11,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:11,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:11,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:11,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:46:11,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:46:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:11,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:11,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 15:46:11,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:11,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:46:11,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:11,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:46:11,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:11,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:46:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:11,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:11,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:11,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:11,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:46:11,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:11,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:11,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:11,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:46:11,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:11,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:46:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:11,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:11,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:11,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:11,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:11,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:11,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:11,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:11,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:11,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:46:11,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:11,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 15:46:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:11,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:11,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:11,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:11,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:11,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:11,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:11,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:46:11,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:46:11,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:46:11,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:11,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 15:46:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:46:11,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:46:11,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:46:11,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:46:11,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:46:11,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:46:11,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:46:11,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:46:11,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:46:11,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:46:11,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:46:11,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:46:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:46:11,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [224596977] [2020-10-28 15:46:11,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:46:11,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 15:46:11,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893317616] [2020-10-28 15:46:11,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 15:46:11,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:46:11,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 15:46:11,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-28 15:46:11,619 INFO L87 Difference]: Start difference. First operand 4030 states and 6936 transitions. Second operand 8 states. [2020-10-28 15:46:14,002 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:46:14,390 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-28 15:46:15,594 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:46:16,637 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-28 15:46:18,992 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:46:20,314 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-28 15:46:21,027 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-28 15:46:58,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:46:58,156 INFO L93 Difference]: Finished difference Result 10968 states and 20073 transitions. [2020-10-28 15:46:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 15:46:58,157 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-10-28 15:46:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:46:58,223 INFO L225 Difference]: With dead ends: 10968 [2020-10-28 15:46:58,223 INFO L226 Difference]: Without dead ends: 6972 [2020-10-28 15:46:58,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-28 15:46:58,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6972 states. [2020-10-28 15:46:59,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6972 to 5389. [2020-10-28 15:46:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5389 states. [2020-10-28 15:46:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 5389 states and 9240 transitions. [2020-10-28 15:46:59,899 INFO L78 Accepts]: Start accepts. Automaton has 5389 states and 9240 transitions. Word has length 95 [2020-10-28 15:46:59,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:46:59,900 INFO L481 AbstractCegarLoop]: Abstraction has 5389 states and 9240 transitions. [2020-10-28 15:46:59,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 15:46:59,900 INFO L276 IsEmpty]: Start isEmpty. Operand 5389 states and 9240 transitions. [2020-10-28 15:46:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-28 15:46:59,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:46:59,902 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 15:46:59,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:46:59,903 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 15:46:59,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:46:59,903 INFO L82 PathProgramCache]: Analyzing trace with hash -925430989, now seen corresponding path program 1 times [2020-10-28 15:46:59,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:46:59,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456968675] [2020-10-28 15:46:59,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:46:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:00,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:00,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:00,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:02,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:05,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:05,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-28 15:47:05,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:47:05,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-28 15:47:05,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:05,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:05,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 15:47:05,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-28 15:47:05,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 15:47:05,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:06,246 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-28 15:47:06,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:47:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:06,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:06,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:06,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:06,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 15:47:06,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:06,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:06,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:47:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:06,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:06,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:06,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:47:06,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:06,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:47:06,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:06,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:06,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:06,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:47:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:06,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:06,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:06,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:47:06,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:06,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:47:06,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:06,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:06,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:06,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:06,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:47:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:06,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:06,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:06,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:06,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:06,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:06,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:06,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:06,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:06,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:06,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:06,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:06,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:47:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:06,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:06,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:06,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:47:06,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:06,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:47:06,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:06,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:06,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:06,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:06,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:06,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:06,593 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-28 15:47:06,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:47:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:06,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:06,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:06,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 15:47:06,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:06,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 15:47:06,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:06,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:06,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:06,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:06,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 15:47:06,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:06,821 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 15:47:06,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:06,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:06,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:06,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:06,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:06,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 15:47:06,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:06,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:06,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:06,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:06,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:47:06,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:06,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 15:47:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:06,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:06,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:07,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:07,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:07,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 15:47:07,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 15:47:07,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-28 15:47:07,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:07,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:07,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:47:07,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:07,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 15:47:07,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:47:07,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:07,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:07,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:07,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:47:07,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:07,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:47:07,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:07,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:07,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:07,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:07,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:07,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:07,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:47:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:07,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:07,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:07,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:47:07,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:07,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:47:07,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:07,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:07,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:07,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:07,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:07,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:47:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:07,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:07,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:07,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:47:07,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:07,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:07,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:07,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:07,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:07,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:07,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:07,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:07,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 15:47:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:07,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:07,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:07,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 15:47:07,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:07,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 15:47:07,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:07,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:07,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:47:07,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 15:47:07,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 15:47:07,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:07,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:47:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:07,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:07,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:07,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:07,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:07,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:07,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:07,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:07,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:07,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:07,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:07,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:07,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:47:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:07,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:07,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:07,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:07,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:07,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:07,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:07,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:07,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:07,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:07,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:07,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:07,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 15:47:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:07,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:07,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:07,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:47:07,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:07,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 15:47:07,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:07,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:07,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:47:07,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:47:07,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:47:07,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:07,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 15:47:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:07,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:07,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:07,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:07,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:07,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:07,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:07,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:47:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:07,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:07,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 15:47:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:47:07,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:47:07,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:47:07,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:47:07,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:47:07,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:47:07,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:47:07,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:47:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:47:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 15:47:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:47:07,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:47:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 15:47:07,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456968675] [2020-10-28 15:47:07,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:47:07,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 15:47:07,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596620859] [2020-10-28 15:47:07,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 15:47:07,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:47:07,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 15:47:07,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-28 15:47:07,556 INFO L87 Difference]: Start difference. First operand 5389 states and 9240 transitions. Second operand 12 states. [2020-10-28 15:47:10,408 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-28 15:47:10,881 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-28 15:47:12,714 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-28 15:47:14,138 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:47:14,669 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 149 [2020-10-28 15:47:15,170 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 153 [2020-10-28 15:47:16,451 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 150