/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=DEEPEST --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_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:51:21,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:51:21,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:51:21,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:51:21,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:51:21,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:51:21,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:51:21,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:51:21,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:51:21,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:51:21,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:51:21,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:51:21,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:51:21,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:51:21,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:51:21,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:51:21,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:51:21,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:51:21,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:51:21,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:51:21,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:51:21,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:51:21,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:51:21,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:51:21,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:51:21,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:51:21,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:51:21,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:51:21,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:51:21,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:51:21,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:51:21,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:51:21,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:51:21,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:51:21,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:51:21,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:51:21,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:51:21,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:51:21,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:51:21,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:51:21,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:51:21,251 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 20:51:21,278 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:51:21,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:51:21,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:51:21,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:51:21,281 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:51:21,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:51:21,281 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:51:21,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:51:21,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:51:21,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:51:21,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:51:21,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:51:21,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:51:21,283 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:51:21,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:51:21,283 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:51:21,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:51:21,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:51:21,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:51:21,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:51:21,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:51:21,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:51:21,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:51:21,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:51:21,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:51:21,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:51:21,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:51:21,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:51:21,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:51:21,287 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:51:21,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:51:21,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:51:21,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:51:21,694 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:51:21,695 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:51:21,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c [2020-10-27 20:51:21,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4942d26a0/9633eb9314e140398cdd600fb300a593/FLAG83cde1069 [2020-10-27 20:51:22,680 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:51:22,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product24.cil.c [2020-10-27 20:51:22,706 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4942d26a0/9633eb9314e140398cdd600fb300a593/FLAG83cde1069 [2020-10-27 20:51:22,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4942d26a0/9633eb9314e140398cdd600fb300a593 [2020-10-27 20:51:22,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:51:22,825 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:51:22,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:51:22,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:51:22,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:51:22,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:51:22" (1/1) ... [2020-10-27 20:51:22,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c2a4cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:22, skipping insertion in model container [2020-10-27 20:51:22,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:51:22" (1/1) ... [2020-10-27 20:51:22,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:51:22,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:51:23,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:51:23,675 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:51:23,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:51:23,985 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:51:23,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:23 WrapperNode [2020-10-27 20:51:23,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:51:23,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:51:23,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:51:23,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:51:24,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:23" (1/1) ... [2020-10-27 20:51:24,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:23" (1/1) ... [2020-10-27 20:51:24,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:23" (1/1) ... [2020-10-27 20:51:24,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:23" (1/1) ... [2020-10-27 20:51:24,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:23" (1/1) ... [2020-10-27 20:51:24,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:23" (1/1) ... [2020-10-27 20:51:24,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:23" (1/1) ... [2020-10-27 20:51:24,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:51:24,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:51:24,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:51:24,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:51:24,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:23" (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 20:51:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:51:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:51:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 20:51:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:51:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 20:51:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 20:51:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 20:51:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 20:51:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 20:51:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 20:51:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 20:51:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 20:51:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 20:51:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 20:51:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 20:51:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 20:51:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 20:51:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 20:51:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 20:51:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 20:51:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 20:51:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 20:51:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 20:51:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 20:51:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 20:51:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 20:51:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 20:51:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:51:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 20:51:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 20:51:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 20:51:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 20:51:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 20:51:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 20:51:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 20:51:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 20:51:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 20:51:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 20:51:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 20:51:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 20:51:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 20:51:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 20:51:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 20:51:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 20:51:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 20:51:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 20:51:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 20:51:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 20:51:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 20:51:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 20:51:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 20:51:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 20:51:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:51:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 20:51:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 20:51:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 20:51:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 20:51:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:51:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 20:51:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 20:51:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 20:51:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 20:51:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-27 20:51:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 20:51:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-27 20:51:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 20:51:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 20:51:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-27 20:51:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-27 20:51:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 20:51:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 20:51:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:51:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:51:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:51:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:51:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 20:51:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 20:51:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 20:51:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 20:51:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 20:51:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 20:51:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 20:51:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 20:51:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:51:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:51:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:51:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:51:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 20:51:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:51:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:51:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 20:51:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:51:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:51:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:51:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:51:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 20:51:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:51:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 20:51:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 20:51:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:51:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 20:51:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 20:51:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 20:51:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 20:51:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:51:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 20:51:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 20:51:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 20:51:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 20:51:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 20:51:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 20:51:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 20:51:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 20:51:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 20:51:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 20:51:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 20:51:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 20:51:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 20:51:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 20:51:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 20:51:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 20:51:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 20:51:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 20:51:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 20:51:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 20:51:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 20:51:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 20:51:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 20:51:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-27 20:51:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 20:51:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 20:51:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 20:51:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 20:51:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 20:51:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:51:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 20:51:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 20:51:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 20:51:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 20:51:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 20:51:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 20:51:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 20:51:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-27 20:51:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 20:51:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 20:51:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 20:51:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 20:51:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 20:51:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 20:51:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 20:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 20:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 20:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 20:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-27 20:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-27 20:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 20:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 20:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 20:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 20:51:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 20:51:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 20:51:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 20:51:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 20:51:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-27 20:51:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 20:51:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 20:51:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 20:51:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-27 20:51:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 20:51:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 20:51:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 20:51:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-27 20:51:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-27 20:51:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-27 20:51:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 20:51:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 20:51:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 20:51:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 20:51:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:51:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:51:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:51:26,957 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:51:26,958 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 20:51:26,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:51:26 BoogieIcfgContainer [2020-10-27 20:51:26,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:51:26,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:51:26,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:51:26,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:51:26,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:51:22" (1/3) ... [2020-10-27 20:51:26,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f70a140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:51:26, skipping insertion in model container [2020-10-27 20:51:26,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:51:23" (2/3) ... [2020-10-27 20:51:26,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f70a140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:51:26, skipping insertion in model container [2020-10-27 20:51:26,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:51:26" (3/3) ... [2020-10-27 20:51:26,979 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product24.cil.c [2020-10-27 20:51:26,992 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:51:26,999 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 20:51:27,013 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 20:51:27,058 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:51:27,058 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:51:27,058 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:51:27,058 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:51:27,058 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:51:27,059 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:51:27,059 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:51:27,059 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:51:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states. [2020-10-27 20:51:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 20:51:27,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:51:27,142 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:51:27,142 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 20:51:27,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:51:27,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1308346199, now seen corresponding path program 1 times [2020-10-27 20:51:27,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:51:27,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575270999] [2020-10-27 20:51:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:51:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:27,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:28,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:28,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:28,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:29,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:29,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:31,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:32,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:32,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-27 20:51:32,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:51:32,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-27 20:51:32,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:32,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:32,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 20:51:32,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:32,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:51:34,025 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:51:34,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:34,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 20:51:34,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:51:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:34,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:34,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:51:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:34,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:34,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:51:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:34,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:34,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:51:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:51:34,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:34,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:51:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:34,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:34,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:34,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:51:34,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:34,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:34,549 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:51:34,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:51:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:34,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:34,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:35,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:39,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 20:51:39,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:51:39,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 20:51:39,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 20:51:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:39,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:39,818 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:51:39,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:51:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:39,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:39,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:40,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:51:41,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:51:41,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1367 [2020-10-27 20:51:41,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:51:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:41,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:41,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:41,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:51:41,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:41,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:41,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:41,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:51:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:51:41,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:41,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 20:51:41,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:41,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:41,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:51:41,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:51:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:41,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:41,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:51:41,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:41,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:41,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:41,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:41,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:41,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:51:41,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:41,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:41,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:41,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:41,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:41,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:51:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:41,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:41,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:51:42,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:51:42,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 900 [2020-10-27 20:51:42,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 20:51:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:51:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:42,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:42,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:51:42,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:51:42,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:51:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 20:51:42,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 20:51:42,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:51:42,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:51:42,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:51:42,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 20:51:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:51:42,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:51:42,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:51:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:42,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:51:42,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:51:42,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:42,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:42,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:42,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 20:51:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:51:42,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:51:42,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 20:51:42,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:42,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 20:51:42,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:42,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:51:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:51:42,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:51:42,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:42,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:42,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:42,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:42,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:51:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:51:42,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:51:42,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:42,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:42,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:42,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:51:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:51:42,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:51:42,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:51:42,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:51:42,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:51:42,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:51:42,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:51:42,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:51:42,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:51:42,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:51:42,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:51:42,961 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 20:51:42,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575270999] [2020-10-27 20:51:42,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:51:42,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 20:51:42,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884158298] [2020-10-27 20:51:42,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 20:51:42,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:51:42,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 20:51:42,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:51:42,995 INFO L87 Difference]: Start difference. First operand 822 states. Second operand 15 states. [2020-10-27 20:51:46,070 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:51:47,381 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:51:48,910 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:08,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:52:08,871 INFO L93 Difference]: Finished difference Result 1591 states and 2647 transitions. [2020-10-27 20:52:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:52:08,875 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 117 [2020-10-27 20:52:08,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:52:08,915 INFO L225 Difference]: With dead ends: 1591 [2020-10-27 20:52:08,915 INFO L226 Difference]: Without dead ends: 928 [2020-10-27 20:52:08,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2020-10-27 20:52:08,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-10-27 20:52:09,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 658. [2020-10-27 20:52:09,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2020-10-27 20:52:09,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1034 transitions. [2020-10-27 20:52:09,326 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1034 transitions. Word has length 117 [2020-10-27 20:52:09,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:52:09,327 INFO L481 AbstractCegarLoop]: Abstraction has 658 states and 1034 transitions. [2020-10-27 20:52:09,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 20:52:09,327 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1034 transitions. [2020-10-27 20:52:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-27 20:52:09,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:52:09,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:52:09,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:52:09,335 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 20:52:09,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:52:09,336 INFO L82 PathProgramCache]: Analyzing trace with hash -946183964, now seen corresponding path program 1 times [2020-10-27 20:52:09,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:52:09,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924906392] [2020-10-27 20:52:09,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:52:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:09,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:09,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:09,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:09,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:09,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:10,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:11,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:14,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:14,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-10-27 20:52:14,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:52:14,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-27 20:52:14,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 99 [2020-10-27 20:52:14,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:14,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:15,718 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:15,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:15,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:15,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:15,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:15,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 20:52:15,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:15,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:52:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:15,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:15,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:15,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:15,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:15,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:15,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:15,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:15,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:15,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:52:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:15,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:15,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:15,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:15,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:15,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:15,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:15,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:15,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:15,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:15,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:15,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:52:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:15,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:15,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:15,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:15,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:15,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:15,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:15,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:15,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:15,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:15,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:15,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:52:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:15,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:15,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:15,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:15,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:15,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:15,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:15,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:15,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:15,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:15,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:15,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:52:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:15,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:15,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:15,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:15,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:15,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:15,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:16,133 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:52:16,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:52:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:16,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:16,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:16,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:16,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:16,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:16,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:16,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:20,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:20,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:20,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:21,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:21,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 20:52:21,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 20:52:21,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 20:52:21,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 20:52:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:21,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:21,362 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:52:21,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:21,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:21,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:21,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:21,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:21,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:21,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:22,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:22,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:52:22,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:52:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 938 [2020-10-27 20:52:22,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:52:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:22,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:22,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:22,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:22,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:22,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:52:22,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:22,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:52:22,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:22,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:22,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:22,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:52:22,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:22,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:22,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:22,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:22,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:52:22,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:22,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:52:22,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:22,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:22,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:22,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:52:22,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:22,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:52:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:22,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:22,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:22,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:52:22,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:22,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:52:22,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:22,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:52:22,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:22,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:52:22,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:22,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:22,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:22,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:22,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:22,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:22,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:22,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:22,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:22,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:22,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 20:52:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:22,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:22,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:22,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:22,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:22,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:23,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:52:23,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:52:23,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 767 [2020-10-27 20:52:23,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:23,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:23,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:52:23,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:52:23,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:23,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:23,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:23,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:52:23,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:23,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:52:23,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:23,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:23,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:23,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:52:23,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:23,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:23,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:23,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 20:52:23,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 20:52:23,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 20:52:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:23,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 20:52:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:23,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:23,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:52:23,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:52:23,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:52:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:23,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:52:23,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:23,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:23,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:52:23,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:23,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:23,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:23,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:23,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 20:52:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:23,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:23,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:52:23,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:23,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 20:52:23,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:23,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:23,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:52:23,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:23,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:23,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:23,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:23,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:52:23,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:23,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:52:23,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:23,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:23,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:23,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:23,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:23,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:23,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:23,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:23,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:23,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:23,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:23,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:23,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:23,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:23,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:52:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:23,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:23,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:52:23,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:23,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:52:23,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:23,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:23,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:23,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:23,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:23,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:23,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:23,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:23,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:23,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:23,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:23,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:23,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:23,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 20:52:23,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924906392] [2020-10-27 20:52:23,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:52:23,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 20:52:23,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699382166] [2020-10-27 20:52:23,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:52:23,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:52:23,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:52:23,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:52:23,578 INFO L87 Difference]: Start difference. First operand 658 states and 1034 transitions. Second operand 11 states. [2020-10-27 20:52:25,674 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:26,905 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:52:28,276 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:52:46,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:52:46,848 INFO L93 Difference]: Finished difference Result 1565 states and 2581 transitions. [2020-10-27 20:52:46,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 20:52:46,849 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 123 [2020-10-27 20:52:46,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:52:46,861 INFO L225 Difference]: With dead ends: 1565 [2020-10-27 20:52:46,861 INFO L226 Difference]: Without dead ends: 928 [2020-10-27 20:52:46,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-10-27 20:52:46,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-10-27 20:52:47,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 658. [2020-10-27 20:52:47,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2020-10-27 20:52:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 1028 transitions. [2020-10-27 20:52:47,100 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 1028 transitions. Word has length 123 [2020-10-27 20:52:47,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:52:47,100 INFO L481 AbstractCegarLoop]: Abstraction has 658 states and 1028 transitions. [2020-10-27 20:52:47,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:52:47,100 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1028 transitions. [2020-10-27 20:52:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 20:52:47,102 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:52:47,103 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:52:47,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:52:47,103 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:52:47,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:52:47,104 INFO L82 PathProgramCache]: Analyzing trace with hash 896053990, now seen corresponding path program 1 times [2020-10-27 20:52:47,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:52:47,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92778874] [2020-10-27 20:52:47,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:52:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:47,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:47,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:48,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:52,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:52,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 20:52:52,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:52:52,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 20:52:52,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:52,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:52:52,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 20:52:52,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 20:52:52,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:53,456 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:52:53,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:53,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:53,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:53,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:53,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:53,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 20:52:53,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:53,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:53,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:53,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:52:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:53,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:53,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:53,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:53,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:53,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:53,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:53,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:53,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:53,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:52:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:53,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:53,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:53,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:53,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:53,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:53,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:53,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:53,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:53,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:53,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:52:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:53,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:53,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:53,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:53,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:53,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:53,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:53,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:53,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:53,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:52:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:53,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:53,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:53,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:52:53,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:53,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:52:53,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:53,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:53,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:52:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:53,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:53,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:53,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:52:53,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:52:53,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:52:53,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:53,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:52:53,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:52:53,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:52:53,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:53,813 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:52:53,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:52:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:53,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:53,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:53,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:53,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:54,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:54,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:54,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:54,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:58,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:58,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-27 20:52:58,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:52:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 20:52:58,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:52:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-27 20:52:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:52:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:59,054 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:52:59,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:52:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:59,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:59,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:59,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:59,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:59,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:59,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:59,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:52:59,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:52:59,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 906 [2020-10-27 20:52:59,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 20:52:59,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:52:59,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:52:59,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:52:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:52:59,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:59,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:52:59,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:52:59,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:52:59,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:52:59,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:52:59,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:52:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:52:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:52:59,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:52:59,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:53:00,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:00,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 20:53:00,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:00,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:00,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:53:00,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:53:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:00,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:53:00,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:00,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:53:00,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:00,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:00,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 20:53:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 20:53:00,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:53:00,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-10-27 20:53:00,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:53:00,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 20:53:00,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:53:00,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:53:00,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:00,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:53:00,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:53:00,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 20:53:00,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:53:00,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-27 20:53:00,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:53:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:53:00,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 20:53:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:00,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:00,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 20:53:00,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:53:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 20:53:00,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:00,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:00,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:53:00,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:00,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:00,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:53:00,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 20:53:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:53:00,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:00,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 20:53:00,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:00,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:53:00,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:00,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:53:00,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:00,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:53:00,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:00,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:00,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:00,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:00,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:00,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:00,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:53:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:53:00,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:00,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:53:00,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:00,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:00,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:00,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:00,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:00,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:00,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:00,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:00,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:00,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 20:53:01,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92778874] [2020-10-27 20:53:01,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:53:01,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 20:53:01,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118969848] [2020-10-27 20:53:01,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 20:53:01,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:53:01,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 20:53:01,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:53:01,117 INFO L87 Difference]: Start difference. First operand 658 states and 1028 transitions. Second operand 18 states. [2020-10-27 20:53:03,919 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:53:05,195 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 20:53:06,615 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:53:07,899 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 20:53:09,312 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:53:10,978 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 425 [2020-10-27 20:53:13,400 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:53:14,634 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:53:16,024 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:53:17,272 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 20:53:18,565 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 428 [2020-10-27 20:53:20,448 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:53:21,695 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:53:44,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:53:44,743 INFO L93 Difference]: Finished difference Result 1643 states and 2709 transitions. [2020-10-27 20:53:44,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-27 20:53:44,744 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 127 [2020-10-27 20:53:44,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:53:44,754 INFO L225 Difference]: With dead ends: 1643 [2020-10-27 20:53:44,754 INFO L226 Difference]: Without dead ends: 1015 [2020-10-27 20:53:44,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=339, Invalid=1823, Unknown=0, NotChecked=0, Total=2162 [2020-10-27 20:53:44,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-10-27 20:53:44,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 717. [2020-10-27 20:53:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-10-27 20:53:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1112 transitions. [2020-10-27 20:53:44,962 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1112 transitions. Word has length 127 [2020-10-27 20:53:44,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:53:44,962 INFO L481 AbstractCegarLoop]: Abstraction has 717 states and 1112 transitions. [2020-10-27 20:53:44,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 20:53:44,963 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1112 transitions. [2020-10-27 20:53:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-27 20:53:44,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:53:44,965 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:53:44,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:53:44,966 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:53:44,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:53:44,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1733056579, now seen corresponding path program 1 times [2020-10-27 20:53:44,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:53:44,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891588649] [2020-10-27 20:53:44,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:53:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:45,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:45,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:45,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:45,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:45,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:45,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:46,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:50,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:50,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-10-27 20:53:50,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 20:53:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 20:53:50,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:53:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-27 20:53:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:53:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:51,471 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:53:51,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:51,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:51,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:51,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:51,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:51,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 20:53:51,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:51,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:51,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:51,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:51,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:51,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:53:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:51,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:51,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:51,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:51,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:51,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:51,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:51,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:51,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:51,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:51,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:51,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:51,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:51,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:51,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:51,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:51,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:51,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:51,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:51,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:51,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:51,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:51,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:53:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:51,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:51,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:51,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:51,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:51,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:51,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:51,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:51,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:53:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:51,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:51,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:51,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:53:51,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:51,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:51,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:51,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:51,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:53:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:51,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:51,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:51,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:51,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:51,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:51,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:51,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:51,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:51,837 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:53:51,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:53:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:51,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:51,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:51,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:51,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:51,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:52,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:52,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:52,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:53,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:53,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:53,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:53,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:56,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:56,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 20:53:56,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 20:53:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 20:53:56,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:53:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-27 20:53:56,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:53:56,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:57,050 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:53:57,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:53:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:57,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:57,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:53:57,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:53:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 734 [2020-10-27 20:53:57,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:53:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:53:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:57,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:57,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:57,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 20:53:57,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:57,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:53:57,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:53:57,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:57,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:53:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:57,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:57,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 20:53:57,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:57,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:53:57,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:57,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:53:57,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:57,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 20:53:57,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:57,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:53:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:57,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:57,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:53:57,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:57,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:53:57,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:53:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:53:57,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:57,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:57,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:57,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:57,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:57,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:57,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:57,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:57,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:57,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:53:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:57,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:57,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:58,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 20:53:58,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 20:53:58,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 724 [2020-10-27 20:53:58,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:58,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:53:58,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 20:53:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:53:58,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:58,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:58,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:58,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:53:58,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:58,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:53:58,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:58,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:58,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:58,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:58,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:58,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:53:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:58,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:58,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 20:53:58,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 20:53:58,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-27 20:53:58,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:53:58,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 20:53:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:53:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:58,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:53:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:58,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:58,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 20:53:58,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:53:58,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:53:58,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:58,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:53:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:53:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:53:58,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:58,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:58,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:58,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:58,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:53:58,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:58,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 20:53:58,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:58,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:53:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:58,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:53:58,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:59,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 20:53:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:59,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:59,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:59,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:53:59,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 20:53:59,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:53:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:59,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:59,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:59,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:59,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:53:59,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:59,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 20:53:59,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:59,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:59,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:59,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:59,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:59,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:59,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:59,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:59,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:59,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:59,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:59,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:59,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:59,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:59,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:59,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:59,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:53:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:59,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:59,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:59,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:53:59,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:59,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:53:59,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:59,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:59,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:59,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:59,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:59,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:53:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:53:59,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:53:59,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:53:59,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:53:59,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:53:59,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:53:59,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:53:59,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:53:59,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:53:59,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:53:59,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:53:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 20:53:59,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [891588649] [2020-10-27 20:53:59,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:53:59,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 20:53:59,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031661528] [2020-10-27 20:53:59,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 20:53:59,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:53:59,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 20:53:59,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2020-10-27 20:53:59,253 INFO L87 Difference]: Start difference. First operand 717 states and 1112 transitions. Second operand 15 states. [2020-10-27 20:54:01,565 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:54:02,964 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:54:04,383 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:54:06,020 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 429 [2020-10-27 20:54:07,531 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 422 [2020-10-27 20:54:32,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:54:32,964 INFO L93 Difference]: Finished difference Result 1697 states and 2786 transitions. [2020-10-27 20:54:32,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 20:54:32,965 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 131 [2020-10-27 20:54:32,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:54:32,974 INFO L225 Difference]: With dead ends: 1697 [2020-10-27 20:54:32,974 INFO L226 Difference]: Without dead ends: 1007 [2020-10-27 20:54:32,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=128, Invalid=628, Unknown=0, NotChecked=0, Total=756 [2020-10-27 20:54:32,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1007 states. [2020-10-27 20:54:33,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1007 to 713. [2020-10-27 20:54:33,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2020-10-27 20:54:33,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 1096 transitions. [2020-10-27 20:54:33,184 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 1096 transitions. Word has length 131 [2020-10-27 20:54:33,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:54:33,185 INFO L481 AbstractCegarLoop]: Abstraction has 713 states and 1096 transitions. [2020-10-27 20:54:33,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 20:54:33,185 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1096 transitions. [2020-10-27 20:54:33,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 20:54:33,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:54:33,188 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:54:33,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:54:33,188 INFO L429 AbstractCegarLoop]: === Iteration 5 === [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 20:54:33,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:54:33,188 INFO L82 PathProgramCache]: Analyzing trace with hash 653612218, now seen corresponding path program 1 times [2020-10-27 20:54:33,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:54:33,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77072250] [2020-10-27 20:54:33,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:54:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:33,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:33,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:33,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:33,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:34,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:34,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:38,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:38,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-27 20:54:38,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 20:54:38,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 20:54:38,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:54:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-27 20:54:38,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:54:38,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:39,569 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 20:54:39,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:54:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:39,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:39,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:39,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:39,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:39,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 20:54:39,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:39,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:39,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:39,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:54:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:39,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:39,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:39,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:39,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:39,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:39,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:39,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:39,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:54:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:39,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:39,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:39,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:39,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:39,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:39,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:39,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:39,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 20:54:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:39,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:39,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:39,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:39,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:39,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:39,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:39,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:39,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:39,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:39,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:39,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 20:54:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:39,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:39,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:39,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 20:54:39,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:39,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:39,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:39,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:39,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:39,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 20:54:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:39,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:39,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:39,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:39,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:39,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:54:39,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:39,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:39,962 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 20:54:39,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 20:54:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:39,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:40,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:40,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:40,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:40,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:44,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:44,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 20:54:44,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 20:54:44,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 20:54:44,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 20:54:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 20:54:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 20:54:44,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:45,178 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 20:54:45,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:54:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:45,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:45,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 20:54:45,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:54:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-27 20:54:45,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:54:45,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 20:54:45,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:54:45,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:45,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:45,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:45,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 20:54:45,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:54:45,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:54:45,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:54:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:54:45,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:54:45,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:45,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:54:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:45,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:45,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 20:54:45,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:45,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:54:45,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:45,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:54:45,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:54:45,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 20:54:45,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:45,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 20:54:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:45,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:45,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 20:54:45,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:45,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:54:45,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:54:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:45,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 20:54:45,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:45,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:45,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:45,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 20:54:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:45,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:45,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:54:45,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:54:45,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-27 20:54:45,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:45,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 20:54:45,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 20:54:45,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 20:54:45,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:45,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:45,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:45,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 20:54:45,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:45,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:54:45,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:54:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:54:45,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:45,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 20:54:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:45,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:45,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:45,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:54:45,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:54:45,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-27 20:54:45,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:54:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 20:54:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 20:54:45,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:54:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 20:54:46,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:54:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 20:54:46,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:54:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 20:54:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:54:46,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 20:54:46,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:54:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:54:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 20:54:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 20:54:46,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 20:54:46,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:46,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 20:54:46,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:46,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-27 20:54:46,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 20:54:46,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:46,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:46,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:46,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:54:46,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 20:54:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 20:54:46,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 20:54:46,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:46,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:46,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 20:54:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:54:46,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:54:46,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:54:46,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:54:46,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:54:46,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 20:54:46,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:54:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:54:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:54:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:54:46,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:54:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 20:54:46,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77072250] [2020-10-27 20:54:46,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:54:46,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 20:54:46,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645843631] [2020-10-27 20:54:46,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 20:54:46,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:54:46,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 20:54:46,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:54:46,362 INFO L87 Difference]: Start difference. First operand 713 states and 1096 transitions. Second operand 18 states. [2020-10-27 20:54:49,090 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 421 [2020-10-27 20:54:50,490 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 426 [2020-10-27 20:54:51,886 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 423 [2020-10-27 20:54:53,322 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 424 [2020-10-27 20:54:54,617 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 426