/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 10:11:55,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 10:11:55,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 10:11:55,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 10:11:55,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 10:11:55,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 10:11:55,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 10:11:55,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 10:11:55,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 10:11:55,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 10:11:55,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 10:11:55,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 10:11:55,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 10:11:55,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 10:11:55,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 10:11:55,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 10:11:55,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 10:11:55,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 10:11:55,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 10:11:55,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 10:11:55,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 10:11:55,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 10:11:55,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 10:11:55,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 10:11:55,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 10:11:55,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 10:11:55,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 10:11:55,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 10:11:55,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 10:11:55,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 10:11:55,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 10:11:55,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 10:11:55,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 10:11:55,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 10:11:55,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 10:11:55,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 10:11:55,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 10:11:55,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 10:11:55,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 10:11:55,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 10:11:55,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 10:11:55,483 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 [2020-10-29 10:11:55,510 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 10:11:55,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 10:11:55,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 10:11:55,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 10:11:55,513 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 10:11:55,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 10:11:55,513 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 10:11:55,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 10:11:55,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 10:11:55,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 10:11:55,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 10:11:55,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 10:11:55,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 10:11:55,514 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 10:11:55,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 10:11:55,515 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 10:11:55,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 10:11:55,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 10:11:55,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 10:11:55,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 10:11:55,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 10:11:55,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 10:11:55,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 10:11:55,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 10:11:55,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 10:11:55,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 10:11:55,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 10:11:55,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 10:11:55,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 10:11:55,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 10:11:55,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 10:11:55,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 10:11:55,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 10:11:55,935 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 10:11:55,936 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 10:11:55,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product09.cil.c [2020-10-29 10:11:56,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b01e1151/b9da1716f53f459a93c6da5dfc3edac2/FLAG03578fabc [2020-10-29 10:11:56,824 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 10:11:56,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product09.cil.c [2020-10-29 10:11:56,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b01e1151/b9da1716f53f459a93c6da5dfc3edac2/FLAG03578fabc [2020-10-29 10:11:57,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2b01e1151/b9da1716f53f459a93c6da5dfc3edac2 [2020-10-29 10:11:57,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 10:11:57,028 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 10:11:57,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 10:11:57,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 10:11:57,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 10:11:57,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:11:57" (1/1) ... [2020-10-29 10:11:57,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17de57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:11:57, skipping insertion in model container [2020-10-29 10:11:57,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 10:11:57" (1/1) ... [2020-10-29 10:11:57,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 10:11:57,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 10:11:57,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:11:57,956 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 10:11:58,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 10:11:58,207 INFO L208 MainTranslator]: Completed translation [2020-10-29 10:11:58,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:11:58 WrapperNode [2020-10-29 10:11:58,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 10:11:58,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 10:11:58,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 10:11:58,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 10:11:58,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:11:58" (1/1) ... [2020-10-29 10:11:58,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:11:58" (1/1) ... [2020-10-29 10:11:58,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:11:58" (1/1) ... [2020-10-29 10:11:58,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:11:58" (1/1) ... [2020-10-29 10:11:58,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:11:58" (1/1) ... [2020-10-29 10:11:58,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:11:58" (1/1) ... [2020-10-29 10:11:58,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:11:58" (1/1) ... [2020-10-29 10:11:58,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 10:11:58,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 10:11:58,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 10:11:58,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 10:11:58,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:11:58" (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 [2020-10-29 10:11:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 10:11:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 10:11:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 10:11:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 10:11:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 10:11:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 10:11:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 10:11:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 10:11:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 10:11:58,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 10:11:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 10:11:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 10:11:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 10:11:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 10:11:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 10:11:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-29 10:11:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-29 10:11:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-29 10:11:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-29 10:11:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-29 10:11:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-29 10:11:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-29 10:11:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-29 10:11:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 10:11:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-29 10:11:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-29 10:11:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-29 10:11:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 10:11:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-29 10:11:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 10:11:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 10:11:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 10:11:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-29 10:11:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-29 10:11:58,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-29 10:11:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-29 10:11:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-29 10:11:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-29 10:11:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-29 10:11:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-29 10:11:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-29 10:11:58,546 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-29 10:11:58,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-29 10:11:58,547 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-29 10:11:58,547 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-29 10:11:58,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-29 10:11:58,547 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-29 10:11:58,547 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-29 10:11:58,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-29 10:11:58,548 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-29 10:11:58,548 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-29 10:11:58,548 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-29 10:11:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-29 10:11:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-29 10:11:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-29 10:11:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-29 10:11:58,549 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-29 10:11:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-29 10:11:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-29 10:11:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-29 10:11:58,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-29 10:11:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-29 10:11:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-29 10:11:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-29 10:11:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-29 10:11:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-29 10:11:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-29 10:11:58,551 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 10:11:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-29 10:11:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-29 10:11:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 10:11:58,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-29 10:11:58,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-29 10:11:58,554 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-29 10:11:58,555 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 10:11:58,555 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 10:11:58,555 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 10:11:58,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 10:11:58,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 10:11:58,555 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 10:11:58,556 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 10:11:58,556 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 10:11:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 10:11:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 10:11:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 10:11:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 10:11:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 10:11:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 10:11:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 10:11:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 10:11:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 10:11:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 10:11:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 10:11:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 10:11:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 10:11:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 10:11:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 10:11:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 10:11:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 10:11:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 10:11:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-29 10:11:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-29 10:11:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-29 10:11:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-29 10:11:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-29 10:11:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-29 10:11:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-29 10:11:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-29 10:11:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-29 10:11:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 10:11:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-29 10:11:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-29 10:11:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-29 10:11:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 10:11:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-29 10:11:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-29 10:11:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-29 10:11:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-29 10:11:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-29 10:11:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 10:11:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-29 10:11:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 10:11:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-29 10:11:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-29 10:11:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 10:11:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 10:11:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 10:11:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-29 10:11:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-29 10:11:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-29 10:11:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-29 10:11:58,568 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-29 10:11:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-29 10:11:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-29 10:11:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-29 10:11:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-29 10:11:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-29 10:11:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-29 10:11:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-29 10:11:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-29 10:11:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-29 10:11:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 10:11:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-29 10:11:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-29 10:11:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-29 10:11:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-29 10:11:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-29 10:11:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-29 10:11:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-29 10:11:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-29 10:11:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-29 10:11:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-29 10:11:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-29 10:11:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-29 10:11:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-29 10:11:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-29 10:11:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-29 10:11:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-29 10:11:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-29 10:11:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-29 10:11:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 10:11:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 10:11:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 10:12:01,020 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 10:12:01,021 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-29 10:12:01,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:12:01 BoogieIcfgContainer [2020-10-29 10:12:01,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 10:12:01,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 10:12:01,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 10:12:01,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 10:12:01,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 10:11:57" (1/3) ... [2020-10-29 10:12:01,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b93ecd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:12:01, skipping insertion in model container [2020-10-29 10:12:01,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 10:11:58" (2/3) ... [2020-10-29 10:12:01,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b93ecd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 10:12:01, skipping insertion in model container [2020-10-29 10:12:01,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 10:12:01" (3/3) ... [2020-10-29 10:12:01,033 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product09.cil.c [2020-10-29 10:12:01,045 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 10:12:01,051 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 10:12:01,064 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 10:12:01,104 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 10:12:01,105 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 10:12:01,105 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 10:12:01,105 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 10:12:01,105 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 10:12:01,105 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 10:12:01,105 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 10:12:01,105 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 10:12:01,149 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states. [2020-10-29 10:12:01,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-29 10:12:01,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:12:01,188 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:12:01,190 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]=== [2020-10-29 10:12:01,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:12:01,195 INFO L82 PathProgramCache]: Analyzing trace with hash 988640430, now seen corresponding path program 1 times [2020-10-29 10:12:01,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:12:01,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1112600858] [2020-10-29 10:12:01,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:12:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:01,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:02,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:02,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:03,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:03,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:04,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:06,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:06,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-29 10:12:06,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 10:12:06,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-29 10:12:06,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:06,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:12:06,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-29 10:12:06,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:12:06,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 10:12:07,948 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-29 10:12:07,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:12:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:07,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:08,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:08,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:08,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 10:12:08,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:08,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:08,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:08,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:08,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:08,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:12:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:08,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:08,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:12:08,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:08,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:08,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:08,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:08,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:08,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:08,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:08,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:08,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:12:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:08,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:08,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:12:08,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:08,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:08,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:08,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:08,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:08,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:08,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:12:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:08,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:08,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:08,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:08,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:08,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:08,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:12:08,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:12:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:08,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:08,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:12:08,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:08,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:08,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:08,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:08,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 10:12:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:08,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:12:08,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:08,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:08,358 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-29 10:12:08,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 10:12:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:08,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:08,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:10,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:13,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:13,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-29 10:12:13,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 10:12:13,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 10:12:13,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:13,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:13,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:12:13,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-29 10:12:13,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:12:13,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:12:13,663 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 10:12:13,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:12:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:13,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:13,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:13,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:13,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:13,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:13,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 10:12:15,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 10:12:15,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1483 [2020-10-29 10:12:15,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:12:15,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 10:12:15,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:12:15,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:12:15,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:12:15,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:12:15,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:12:15,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:12:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:12:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:12:15,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:15,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:12:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 10:12:15,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:12:15,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-29 10:12:15,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:12:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:12:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 10:12:15,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:15,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:12:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:12:15,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:15,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 10:12:15,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:15,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:15,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:12:15,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:15,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:15,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:12:15,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:15,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:12:15,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:15,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:15,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:15,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:15,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:15,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:12:15,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 10:12:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:15,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:15,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:17,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 10:12:17,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:12:17,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1348 [2020-10-29 10:12:17,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:17,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:12:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 10:12:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:12:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:17,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:17,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:17,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:12:17,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:12:17,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 10:12:17,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:17,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:17,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:12:17,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:12:17,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 10:12:17,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:17,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-29 10:12:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:17,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:17,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 10:12:17,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:12:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-29 10:12:17,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:17,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:12:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:12:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 10:12:17,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:17,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 10:12:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:17,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:17,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:12:17,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 10:12:17,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:17,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:17,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:12:17,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:17,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:17,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:17,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:12:17,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:17,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:12:17,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:17,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:12:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:17,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:12:17,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:17,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 10:12:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:17,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:17,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:18,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:20,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:20,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:22,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:22,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 10:12:22,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 10:12:22,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-29 10:12:22,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:22,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:22,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 10:12:22,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 10:12:22,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 10:12:22,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:22,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:22,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:22,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:22,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:22,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:22,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:25,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:25,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 10:12:25,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:12:25,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3076 [2020-10-29 10:12:25,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:25,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 10:12:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 10:12:25,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 10:12:25,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:25,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:25,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:25,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:25,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:12:25,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:25,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 10:12:25,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:25,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:25,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:12:25,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:25,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:12:25,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:25,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:25,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:25,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:25,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:12:25,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:25,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:12:25,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:25,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:12:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:25,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:12:25,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:25,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 10:12:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:25,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:25,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:25,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:25,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:12:25,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:12:25,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:12:25,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:25,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:25,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:12:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:12:25,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:25,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:12:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:25,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:25,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:25,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:25,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:12:25,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:12:25,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 10:12:25,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:25,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 10:12:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 10:12:25,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 10:12:25,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:25,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 10:12:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:25,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:26,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:26,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 10:12:26,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:26,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 10:12:26,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:26,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 10:12:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 10:12:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 10:12:26,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:26,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:12:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:12:26,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:12:26,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:12:26,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:12:26,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:12:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 10:12:26,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:12:26,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:12:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:12:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:12:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 10:12:26,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:12:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 10:12:26,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1112600858] [2020-10-29 10:12:26,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:12:26,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-29 10:12:26,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183803535] [2020-10-29 10:12:26,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-29 10:12:26,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:12:26,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-29 10:12:26,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2020-10-29 10:12:26,453 INFO L87 Difference]: Start difference. First operand 742 states. Second operand 28 states. [2020-10-29 10:12:29,550 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:12:31,612 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:12:32,837 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-29 10:12:34,361 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:12:39,460 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:12:40,655 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:41,189 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 10:12:42,904 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-29 10:12:43,625 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 10:12:43,854 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 10:12:46,044 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:12:47,477 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:12:48,666 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:12:50,872 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:12:52,056 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-29 10:12:54,018 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:12:55,266 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:12:57,888 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 411 DAG size of output: 406 [2020-10-29 10:12:59,123 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-29 10:13:04,805 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:13:06,041 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-29 10:13:07,345 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 410 [2020-10-29 10:13:08,688 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:13:10,662 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-29 10:13:11,948 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:13:17,202 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-29 10:13:19,742 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 10:13:20,660 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 10:13:23,151 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-29 10:13:24,662 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:13:25,913 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-29 10:13:27,835 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-29 10:13:29,024 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:13:30,266 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:13:31,058 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 10:13:34,100 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-29 10:13:35,404 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-29 10:13:35,630 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 10:13:39,219 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:13:41,003 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:13:43,586 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 411 DAG size of output: 407 [2020-10-29 10:13:52,142 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-29 10:13:52,977 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 10:13:55,503 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-29 10:14:48,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 10:14:48,673 INFO L93 Difference]: Finished difference Result 3640 states and 6860 transitions. [2020-10-29 10:14:48,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-10-29 10:14:48,675 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 139 [2020-10-29 10:14:48,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 10:14:48,764 INFO L225 Difference]: With dead ends: 3640 [2020-10-29 10:14:48,764 INFO L226 Difference]: Without dead ends: 3018 [2020-10-29 10:14:48,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3680 ImplicationChecksByTransitivity, 45.0s TimeCoverageRelationStatistics Valid=1457, Invalid=9673, Unknown=0, NotChecked=0, Total=11130 [2020-10-29 10:14:48,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3018 states. [2020-10-29 10:14:49,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3018 to 1828. [2020-10-29 10:14:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1828 states. [2020-10-29 10:14:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 2954 transitions. [2020-10-29 10:14:49,584 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 2954 transitions. Word has length 139 [2020-10-29 10:14:49,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 10:14:49,585 INFO L481 AbstractCegarLoop]: Abstraction has 1828 states and 2954 transitions. [2020-10-29 10:14:49,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-29 10:14:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2954 transitions. [2020-10-29 10:14:49,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-29 10:14:49,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 10:14:49,593 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 10:14:49,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 10:14:49,594 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]=== [2020-10-29 10:14:49,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 10:14:49,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1776417357, now seen corresponding path program 1 times [2020-10-29 10:14:49,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 10:14:49,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1285266112] [2020-10-29 10:14:49,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 10:14:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:14:49,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:49,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:49,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:50,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:50,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:50,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:50,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:52,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:54,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:14:54,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-29 10:14:54,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 10:14:54,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-29 10:14:54,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:14:54,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:14:54,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:14:54,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-29 10:14:54,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 10:14:54,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:14:55,897 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 400 [2020-10-29 10:14:55,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:14:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:14:55,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:55,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:14:55,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:14:55,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:14:55,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 10:14:55,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:14:55,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:14:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:14:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:14:55,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:14:55,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:14:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 10:14:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:14:55,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:55,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:14:55,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:14:55,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:14:55,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:14:55,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:14:55,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:14:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:14:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:14:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:14:55,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:14:55,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 10:14:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:14:55,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:55,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:14:55,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:14:55,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:14:55,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:14:55,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:14:55,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:14:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:14:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:14:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:14:55,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:14:55,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 10:14:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:14:55,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:55,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:14:55,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:14:55,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:14:55,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:14:55,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:14:55,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:14:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:14:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:14:55,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:14:55,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:14:55,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 10:14:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:14:55,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:55,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:14:55,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 10:14:55,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:14:55,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 10:14:55,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:14:55,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:14:55,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:14:55,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:14:55,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:14:55,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:14:56,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 10:14:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:14:56,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:56,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:14:56,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:14:56,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:14:56,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 10:14:56,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:14:56,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:14:56,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:14:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:14:56,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:14:56,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:14:56,249 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-29 10:14:56,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-29 10:14:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:14:56,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:56,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:56,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:56,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:56,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:56,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:56,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:56,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:14:56,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:00,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:01,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:01,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-29 10:15:01,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-29 10:15:01,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-29 10:15:01,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:01,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:01,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:15:01,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-29 10:15:01,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 10:15:01,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:01,475 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-29 10:15:01,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 10:15:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:01,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:01,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:01,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:01,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:01,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:02,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 10:15:02,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 10:15:02,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 818 [2020-10-29 10:15:02,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:02,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:15:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 10:15:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 10:15:02,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:02,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:02,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:02,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:15:02,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:15:02,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 10:15:02,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:02,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:02,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:15:02,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:15:02,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:15:02,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:02,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 10:15:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:02,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:02,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 10:15:02,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:15:02,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 10:15:02,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:02,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:02,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:15:02,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:15:02,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:15:02,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:02,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 10:15:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:02,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:02,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:15:02,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:02,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 10:15:02,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:02,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:02,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:15:02,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:02,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:15:02,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:02,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:02,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:02,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:15:02,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:02,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:15:02,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:02,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:02,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:02,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:02,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:02,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:02,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 10:15:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:02,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:03,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:03,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-29 10:15:03,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 10:15:03,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 764 [2020-10-29 10:15:03,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:03,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 10:15:03,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 10:15:03,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 10:15:03,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:15:03,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:03,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:03,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:03,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:03,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:15:03,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:15:03,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 10:15:03,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:03,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:03,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:15:03,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:15:03,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 10:15:03,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 10:15:03,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 10:15:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:03,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:03,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:03,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:03,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:03,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:03,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 10:15:03,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:15:03,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-29 10:15:03,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:03,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:03,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:15:03,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 10:15:03,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 10:15:03,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:03,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 10:15:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:03,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:03,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:03,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 10:15:03,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:03,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 10:15:03,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:03,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:15:03,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:03,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:15:03,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:03,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:03,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:03,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:03,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:15:03,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:03,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:15:03,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:03,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:03,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:03,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:03,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:03,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:03,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 10:15:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:03,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:03,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:03,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:04,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-29 10:15:04,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 10:15:04,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 499 [2020-10-29 10:15:04,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:04,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:04,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:15:04,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 10:15:04,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:15:04,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:04,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:04,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:04,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-29 10:15:04,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 10:15:04,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-29 10:15:04,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:04,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:04,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 10:15:04,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 10:15:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 10:15:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:04,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:04,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:04,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 10:15:04,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:04,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 10:15:04,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:04,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:04,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 10:15:04,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:04,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 10:15:04,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:04,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:04,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:04,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 10:15:04,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:04,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:15:04,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:04,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:04,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:04,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:04,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:04,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:04,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 10:15:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:04,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:04,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 10:15:04,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:04,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:15:04,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:04,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 10:15:04,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:04,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 10:15:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:04,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:04,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 10:15:04,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 10:15:04,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 10:15:04,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:04,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:04,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 10:15:04,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 10:15:04,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 10:15:04,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:04,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 10:15:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:04,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:04,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 10:15:04,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:04,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 10:15:04,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:04,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:04,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:04,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 10:15:04,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:04,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:04,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 10:15:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 10:15:04,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 10:15:04,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 10:15:04,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 10:15:04,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 10:15:04,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 10:15:04,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 10:15:04,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 10:15:04,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 10:15:04,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 10:15:04,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 10:15:04,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 10:15:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-29 10:15:05,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1285266112] [2020-10-29 10:15:05,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 10:15:05,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-29 10:15:05,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908402641] [2020-10-29 10:15:05,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-29 10:15:05,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 10:15:05,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-29 10:15:05,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2020-10-29 10:15:05,067 INFO L87 Difference]: Start difference. First operand 1828 states and 2954 transitions. Second operand 20 states. [2020-10-29 10:15:07,730 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 402 [2020-10-29 10:15:09,410 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:15:10,600 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-29 10:15:12,013 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 405 [2020-10-29 10:15:16,480 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-29 10:15:17,756 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-29 10:15:18,940 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 404 [2020-10-29 10:15:19,194 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-29 10:15:20,037 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-29 10:15:22,309 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-29 10:15:33,834 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:15:35,153 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:15:36,400 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-29 10:15:36,645 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-29 10:15:37,251 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 127