/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:16:31,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:16:31,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:16:31,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:16:31,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:16:31,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:16:31,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:16:31,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:16:31,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:16:31,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:16:31,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:16:31,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:16:31,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:16:31,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:16:31,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:16:31,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:16:31,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:16:31,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:16:31,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:16:31,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:16:31,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:16:31,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:16:31,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:16:31,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:16:31,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:16:31,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:16:31,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:16:31,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:16:31,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:16:31,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:16:31,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:16:31,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:16:31,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:16:31,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:16:31,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:16:31,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:16:31,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:16:31,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:16:31,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:16:31,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:16:31,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:16:31,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:16:31,947 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:16:31,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:16:31,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:16:31,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:16:31,952 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:16:31,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:16:31,953 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:16:31,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:16:31,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:16:31,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:16:31,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:16:31,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:16:31,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:16:31,955 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:16:31,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:16:31,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:16:31,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:16:31,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:16:31,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:16:31,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:16:31,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:16:31,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:16:31,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:16:31,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:16:31,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:16:31,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:16:31,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:16:31,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:16:31,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:16:31,959 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:16:32,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:16:32,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:16:32,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:16:32,406 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:16:32,407 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:16:32,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec2_product09.cil.c [2020-10-27 02:16:32,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f1e9a928/13c6768561324bffa5ede9d37fc21591/FLAG1d3abec94 [2020-10-27 02:16:33,375 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:16:33,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec2_product09.cil.c [2020-10-27 02:16:33,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f1e9a928/13c6768561324bffa5ede9d37fc21591/FLAG1d3abec94 [2020-10-27 02:16:33,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f1e9a928/13c6768561324bffa5ede9d37fc21591 [2020-10-27 02:16:33,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:16:33,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:16:33,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:16:33,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:16:33,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:16:33,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:16:33" (1/1) ... [2020-10-27 02:16:33,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f892252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:16:33, skipping insertion in model container [2020-10-27 02:16:33,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:16:33" (1/1) ... [2020-10-27 02:16:33,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:16:33,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:16:34,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:16:34,208 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:16:34,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:16:34,458 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:16:34,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:16:34 WrapperNode [2020-10-27 02:16:34,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:16:34,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:16:34,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:16:34,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:16:34,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:16:34" (1/1) ... [2020-10-27 02:16:34,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:16:34" (1/1) ... [2020-10-27 02:16:34,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:16:34" (1/1) ... [2020-10-27 02:16:34,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:16:34" (1/1) ... [2020-10-27 02:16:34,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:16:34" (1/1) ... [2020-10-27 02:16:34,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:16:34" (1/1) ... [2020-10-27 02:16:34,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:16:34" (1/1) ... [2020-10-27 02:16:34,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:16:34,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:16:34,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:16:34,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:16:34,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:16:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:16:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:16:34,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:16:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:16:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:16:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 02:16:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 02:16:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 02:16:34,793 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 02:16:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 02:16:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 02:16:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 02:16:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 02:16:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 02:16:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 02:16:34,794 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 02:16:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 02:16:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 02:16:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 02:16:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:16:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 02:16:34,795 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:16:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 02:16:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 02:16:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 02:16:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-27 02:16:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-27 02:16:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__3 [2020-10-27 02:16:34,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__4 [2020-10-27 02:16:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 02:16:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 02:16:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 02:16:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 02:16:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 02:16:34,797 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 02:16:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 02:16:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 02:16:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:16:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:16:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:16:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:16:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:16:34,798 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 02:16:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 02:16:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 02:16:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 02:16:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 02:16:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 02:16:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 02:16:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 02:16:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 02:16:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 02:16:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 02:16:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 02:16:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 02:16:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 02:16:34,800 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 02:16:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 02:16:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 02:16:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 02:16:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 02:16:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 02:16:34,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 02:16:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 02:16:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 02:16:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 02:16:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:16:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:16:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:16:34,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:16:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:16:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:16:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:16:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 02:16:34,803 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 02:16:34,803 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:16:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:16:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:16:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:16:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:16:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 02:16:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 02:16:34,804 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 02:16:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 02:16:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 02:16:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 02:16:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 02:16:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 02:16:34,805 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 02:16:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 02:16:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 02:16:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 02:16:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 02:16:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 02:16:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 02:16:34,806 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 02:16:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 02:16:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 02:16:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 02:16:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 02:16:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 02:16:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 02:16:34,807 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:16:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-27 02:16:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__4 [2020-10-27 02:16:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:16:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 02:16:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:16:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:16:34,808 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:16:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:16:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 02:16:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 02:16:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:16:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 02:16:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 02:16:34,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-27 02:16:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__3 [2020-10-27 02:16:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 02:16:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 02:16:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 02:16:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 02:16:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 02:16:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 02:16:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 02:16:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:16:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:16:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 02:16:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 02:16:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 02:16:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 02:16:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 02:16:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 02:16:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 02:16:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 02:16:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 02:16:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 02:16:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 02:16:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 02:16:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 02:16:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 02:16:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 02:16:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 02:16:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 02:16:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:16:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:16:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:16:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:16:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:16:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:16:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:16:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:16:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:16:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:16:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:16:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:16:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:16:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:16:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:16:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 02:16:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 02:16:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:16:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:16:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:16:37,329 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:16:37,330 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 02:16:37,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:16:37 BoogieIcfgContainer [2020-10-27 02:16:37,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:16:37,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:16:37,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:16:37,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:16:37,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:16:33" (1/3) ... [2020-10-27 02:16:37,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e51324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:16:37, skipping insertion in model container [2020-10-27 02:16:37,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:16:34" (2/3) ... [2020-10-27 02:16:37,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e51324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:16:37, skipping insertion in model container [2020-10-27 02:16:37,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:16:37" (3/3) ... [2020-10-27 02:16:37,348 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec2_product09.cil.c [2020-10-27 02:16:37,361 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:16:37,369 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:16:37,384 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:16:37,431 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:16:37,431 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:16:37,431 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:16:37,431 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:16:37,431 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:16:37,432 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:16:37,432 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:16:37,432 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:16:37,485 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states. [2020-10-27 02:16:37,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-27 02:16:37,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:16:37,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:16:37,526 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:16:37,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:16:37,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1339862330, now seen corresponding path program 1 times [2020-10-27 02:16:37,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:16:37,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002070660] [2020-10-27 02:16:37,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:16:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:38,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:38,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:39,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:40,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:42,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:42,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-27 02:16:42,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:16:42,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 02:16:42,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:42,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 02:16:42,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:16:42,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 02:16:42,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:16:44,259 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:16:44,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:16:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:44,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:44,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-27 02:16:44,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:16:44,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:44,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:16:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:16:44,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:44,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:16:44,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:44,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:44,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:16:44,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:44,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:16:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:16:44,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:44,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:16:44,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:44,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:16:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:44,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:16:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:44,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:44,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:16:44,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:16:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:16:44,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:16:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:16:44,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:44,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:16:44,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:44,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:16:44,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 02:16:44,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:16:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:44,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:44,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:44,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:16:44,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:44,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:16:44,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:16:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:44,978 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 02:16:44,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:16:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:45,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:45,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:46,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:50,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:50,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-27 02:16:50,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:16:50,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 02:16:50,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:16:50,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:16:50,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:50,198 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:16:50,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:16:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:50,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:50,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:50,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:50,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:50,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:50,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 02:16:50,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:16:50,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 594 [2020-10-27 02:16:50,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:50,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:16:50,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:16:50,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:50,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:50,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:50,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:50,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:16:50,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:50,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:16:50,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:50,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:50,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:50,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:16:50,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:50,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 02:16:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:50,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:50,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:50,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:50,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:16:50,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:16:50,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 02:16:50,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:50,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:16:50,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:16:50,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:16:50,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:50,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 02:16:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:51,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:51,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:51,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:16:51,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:16:51,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:16:51,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:51,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:16:51,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:16:51,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:16:51,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:16:51,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 02:16:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:51,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:51,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:51,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:51,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:51,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:51,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:52,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:52,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:56,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:16:56,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 02:16:56,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:16:56,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 02:16:56,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:16:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:16:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:16:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 02:16:56,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:16:56,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:16:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:16:56,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:56,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:56,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:56,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:56,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:56,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:57,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:16:57,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:01,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:01,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 02:17:01,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 02:17:01,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 02:17:01,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:17:01,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:17:01,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 02:17:01,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:17:01,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:01,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:01,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:01,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:17:01,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:01,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 02:17:01,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:01,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:17:01,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:17:01,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:01,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:01,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:01,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:01,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:17:01,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:01,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:17:01,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:17:01,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:01,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:17:01,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:01,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:17:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:01,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:01,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:01,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:01,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:17:01,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:01,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:17:01,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:17:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:17:01,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:17:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:01,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:01,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:01,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:01,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:17:01,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:17:01,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 02:17:01,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:01,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:17:01,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:17:01,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:17:01,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 02:17:01,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:17:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:01,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:01,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:01,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:17:01,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:01,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:17:01,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 02:17:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:01,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:01,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:17:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:17:01,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:17:01,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:17:01,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:17:01,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:17:01,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:17:01,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:17:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:17:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:17:01,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:17:01,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:17:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:17:01,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002070660] [2020-10-27 02:17:01,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:17:01,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 02:17:01,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673603721] [2020-10-27 02:17:01,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 02:17:01,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:17:01,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 02:17:01,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-10-27 02:17:01,596 INFO L87 Difference]: Start difference. First operand 741 states. Second operand 18 states. [2020-10-27 02:17:04,345 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:17:05,034 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:17:06,467 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:17:07,712 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:17:09,155 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:17:12,358 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:17:13,631 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:17:14,075 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:17:15,397 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:17:15,701 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:17:16,308 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:17:18,178 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:17:19,482 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-27 02:17:22,630 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 02:17:22,865 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 02:17:24,493 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:17:25,720 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:17:27,123 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:17:27,702 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 02:17:28,263 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:17:29,799 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:17:31,013 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:17:32,313 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-27 02:17:36,179 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 02:17:37,585 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:17:39,053 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:17:40,454 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-27 02:17:41,841 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:17:42,131 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 02:17:43,446 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:17:43,966 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:17:44,188 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 02:17:44,632 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:17:44,988 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:17:45,193 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:17:48,527 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:17:48,835 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:17:51,275 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:17:52,627 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:17:54,729 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 02:17:55,974 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 02:17:57,307 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:17:58,608 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:17:59,881 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 02:18:00,161 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 02:18:07,344 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 02:18:14,556 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:18:14,853 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 02:18:50,762 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 02:19:14,196 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 02:19:14,933 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 02:19:26,188 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 02:19:26,410 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 02:19:26,788 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 02:19:41,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:19:41,094 INFO L93 Difference]: Finished difference Result 4526 states and 8884 transitions. [2020-10-27 02:19:41,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2020-10-27 02:19:41,097 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 108 [2020-10-27 02:19:41,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:19:41,205 INFO L225 Difference]: With dead ends: 4526 [2020-10-27 02:19:41,205 INFO L226 Difference]: Without dead ends: 3887 [2020-10-27 02:19:41,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4390 ImplicationChecksByTransitivity, 40.1s TimeCoverageRelationStatistics Valid=2084, Invalid=9046, Unknown=0, NotChecked=0, Total=11130 [2020-10-27 02:19:41,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3887 states. [2020-10-27 02:19:42,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3887 to 2040. [2020-10-27 02:19:42,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2040 states. [2020-10-27 02:19:42,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 3311 transitions. [2020-10-27 02:19:42,374 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 3311 transitions. Word has length 108 [2020-10-27 02:19:42,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:19:42,375 INFO L481 AbstractCegarLoop]: Abstraction has 2040 states and 3311 transitions. [2020-10-27 02:19:42,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 02:19:42,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 3311 transitions. [2020-10-27 02:19:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 02:19:42,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:19:42,382 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:19:42,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:19:42,383 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:19:42,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:19:42,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1444965760, now seen corresponding path program 1 times [2020-10-27 02:19:42,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:19:42,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1249902777] [2020-10-27 02:19:42,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:19:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:42,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:42,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:42,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:42,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:44,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:45,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:47,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:47,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 02:19:47,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:19:47,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 02:19:47,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:47,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 02:19:47,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:19:47,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 02:19:47,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:48,637 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-27 02:19:48,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:19:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:48,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:48,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:48,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:19:48,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:48,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 02:19:48,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:48,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:48,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:48,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:19:48,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:48,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:19:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:48,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:48,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:48,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:19:48,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:19:48,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:19:48,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:48,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:19:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:48,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:48,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:48,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:19:48,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:48,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:19:48,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:19:48,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:48,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:19:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:48,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:48,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:48,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:19:48,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:48,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:19:48,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:48,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:19:48,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:48,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:19:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:48,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:48,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:48,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:19:48,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:48,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:19:48,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:48,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:48,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:48,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:19:48,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:48,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 02:19:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:48,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:48,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:48,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:19:48,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:48,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:19:48,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:19:48,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:49,123 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-27 02:19:49,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 02:19:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:49,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:49,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:49,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:49,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:50,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:50,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:50,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:51,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:51,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:54,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-27 02:19:54,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 02:19:54,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 02:19:54,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:54,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:19:54,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:19:54,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:19:54,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:54,323 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 02:19:54,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:19:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:54,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:54,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 02:19:54,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:19:54,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 496 [2020-10-27 02:19:54,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:19:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 02:19:54,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:19:54,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:54,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:19:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:54,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:54,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:19:54,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:54,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:19:54,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:54,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:19:54,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:19:54,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:19:54,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:54,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 02:19:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:54,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:54,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 02:19:54,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:19:54,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 02:19:54,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:19:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:19:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 02:19:54,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:54,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 02:19:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:54,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:54,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:54,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:19:54,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:19:54,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:19:54,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:19:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:19:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:19:54,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:54,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:19:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:55,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:55,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:55,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:55,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:55,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:57,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:58,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:19:58,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 02:19:58,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:19:58,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3603 [2020-10-27 02:19:58,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:19:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:19:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 02:19:58,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 02:19:58,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:19:58,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:19:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:19:58,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:58,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:58,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:58,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:19:58,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 02:20:00,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:20:00,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1844 [2020-10-27 02:20:00,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 02:20:00,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 02:20:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 02:20:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 02:20:00,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:00,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 02:20:00,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:20:00,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:00,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:20:00,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:20:00,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:00,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:20:00,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:20:00,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:20:00,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 02:20:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:20:00,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:20:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:20:00,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:20:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:00,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:20:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 02:20:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 02:20:00,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:20:00,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:20:00,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:20:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 02:20:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 02:20:00,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 02:20:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 02:20:00,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:00,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 02:20:00,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:20:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:20:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:20:00,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:00,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:20:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:20:00,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:20:00,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:20:00,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:20:00,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:20:00,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:20:00,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:20:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:20:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:20:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:20:00,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:20:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 02:20:01,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1249902777] [2020-10-27 02:20:01,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:20:01,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-27 02:20:01,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801047719] [2020-10-27 02:20:01,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 02:20:01,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:20:01,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 02:20:01,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2020-10-27 02:20:01,138 INFO L87 Difference]: Start difference. First operand 2040 states and 3311 transitions. Second operand 23 states. [2020-10-27 02:20:04,879 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-27 02:20:05,491 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 02:20:06,837 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:20:08,080 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 02:20:09,531 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 02:20:12,624 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 408