/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 15:33:09,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 15:33:09,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 15:33:09,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 15:33:09,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 15:33:09,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 15:33:09,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 15:33:09,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 15:33:09,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 15:33:09,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 15:33:09,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 15:33:09,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 15:33:09,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 15:33:09,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 15:33:09,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 15:33:09,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 15:33:09,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 15:33:09,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 15:33:09,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 15:33:09,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 15:33:09,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 15:33:09,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 15:33:09,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 15:33:09,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 15:33:09,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 15:33:09,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 15:33:09,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 15:33:09,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 15:33:09,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 15:33:09,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 15:33:09,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 15:33:09,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 15:33:09,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 15:33:09,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 15:33:09,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 15:33:09,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 15:33:09,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 15:33:09,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 15:33:09,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 15:33:09,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 15:33:09,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 15:33:09,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 15:33:09,496 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 15:33:09,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 15:33:09,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 15:33:09,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 15:33:09,501 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 15:33:09,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 15:33:09,501 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 15:33:09,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 15:33:09,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 15:33:09,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 15:33:09,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 15:33:09,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 15:33:09,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 15:33:09,503 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 15:33:09,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 15:33:09,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 15:33:09,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 15:33:09,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 15:33:09,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 15:33:09,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 15:33:09,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 15:33:09,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:33:09,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 15:33:09,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 15:33:09,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 15:33:09,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 15:33:09,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 15:33:09,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 15:33:09,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 15:33:09,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 15:33:09,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 15:33:09,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 15:33:09,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 15:33:09,961 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 15:33:09,962 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 15:33:09,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product25.cil.c [2020-10-28 15:33:10,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11cedb10a/c0b72ededef14673b8c1f0721cbe3292/FLAG4ee08aab1 [2020-10-28 15:33:10,806 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 15:33:10,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec1_product25.cil.c [2020-10-28 15:33:10,839 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11cedb10a/c0b72ededef14673b8c1f0721cbe3292/FLAG4ee08aab1 [2020-10-28 15:33:10,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11cedb10a/c0b72ededef14673b8c1f0721cbe3292 [2020-10-28 15:33:10,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 15:33:10,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 15:33:10,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 15:33:10,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 15:33:10,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 15:33:10,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:33:10" (1/1) ... [2020-10-28 15:33:10,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1746f670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:33:10, skipping insertion in model container [2020-10-28 15:33:10,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:33:10" (1/1) ... [2020-10-28 15:33:10,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 15:33:11,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 15:33:11,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:33:11,724 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 15:33:11,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 15:33:11,978 INFO L208 MainTranslator]: Completed translation [2020-10-28 15:33:11,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:33:11 WrapperNode [2020-10-28 15:33:11,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 15:33:11,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 15:33:11,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 15:33:11,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 15:33:11,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:33:11" (1/1) ... [2020-10-28 15:33:11,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:33:11" (1/1) ... [2020-10-28 15:33:12,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:33:11" (1/1) ... [2020-10-28 15:33:12,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:33:11" (1/1) ... [2020-10-28 15:33:12,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:33:11" (1/1) ... [2020-10-28 15:33:12,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:33:11" (1/1) ... [2020-10-28 15:33:12,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:33:11" (1/1) ... [2020-10-28 15:33:12,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 15:33:12,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 15:33:12,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 15:33:12,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 15:33:12,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:33:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 15:33:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 15:33:12,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 15:33:12,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 15:33:12,317 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 15:33:12,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 15:33:12,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 15:33:12,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 15:33:12,318 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 15:33:12,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 15:33:12,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 15:33:12,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 15:33:12,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 15:33:12,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 15:33:12,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 15:33:12,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-28 15:33:12,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-28 15:33:12,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 15:33:12,322 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-28 15:33:12,322 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-28 15:33:12,322 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-28 15:33:12,322 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-28 15:33:12,322 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-28 15:33:12,322 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-28 15:33:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-28 15:33:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-28 15:33:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 15:33:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-28 15:33:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-28 15:33:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-28 15:33:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 15:33:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-28 15:33:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 15:33:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 15:33:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 15:33:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 15:33:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2020-10-28 15:33:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2020-10-28 15:33:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2020-10-28 15:33:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-28 15:33:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-28 15:33:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-28 15:33:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-28 15:33:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-28 15:33:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-28 15:33:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-28 15:33:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-28 15:33:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 15:33:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-28 15:33:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-28 15:33:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-28 15:33:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-28 15:33:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-28 15:33:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-28 15:33:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-28 15:33:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-28 15:33:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-28 15:33:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-28 15:33:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-28 15:33:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-28 15:33:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-28 15:33:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-28 15:33:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-28 15:33:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-28 15:33:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-28 15:33:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-28 15:33:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-28 15:33:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-28 15:33:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-28 15:33:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-28 15:33:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-28 15:33:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-28 15:33:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-28 15:33:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-28 15:33:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 15:33:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-28 15:33:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-28 15:33:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 15:33:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 15:33:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 15:33:12,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 15:33:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 15:33:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 15:33:12,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 15:33:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 15:33:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 15:33:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 15:33:12,337 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 15:33:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 15:33:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 15:33:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 15:33:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 15:33:12,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 15:33:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 15:33:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 15:33:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 15:33:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 15:33:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 15:33:12,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 15:33:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 15:33:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 15:33:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-28 15:33:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-28 15:33:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 15:33:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-28 15:33:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-28 15:33:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-28 15:33:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-28 15:33:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-28 15:33:12,362 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-28 15:33:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 15:33:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 15:33:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-28 15:33:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-28 15:33:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-28 15:33:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-28 15:33:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-28 15:33:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-28 15:33:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-28 15:33:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-28 15:33:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-28 15:33:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 15:33:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-28 15:33:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-28 15:33:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-28 15:33:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 15:33:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-28 15:33:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 15:33:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 15:33:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2020-10-28 15:33:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 15:33:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 15:33:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 15:33:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-28 15:33:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-28 15:33:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2020-10-28 15:33:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2020-10-28 15:33:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-28 15:33:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-28 15:33:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-28 15:33:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-28 15:33:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-28 15:33:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-28 15:33:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-28 15:33:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-28 15:33:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-28 15:33:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 15:33:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-28 15:33:12,378 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-28 15:33:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-28 15:33:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-28 15:33:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-28 15:33:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-28 15:33:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-28 15:33:12,379 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-28 15:33:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-28 15:33:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-28 15:33:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-28 15:33:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-28 15:33:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-28 15:33:12,380 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-28 15:33:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-28 15:33:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-28 15:33:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-28 15:33:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-28 15:33:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 15:33:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 15:33:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 15:33:15,144 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 15:33:15,144 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-28 15:33:15,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:33:15 BoogieIcfgContainer [2020-10-28 15:33:15,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 15:33:15,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 15:33:15,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 15:33:15,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 15:33:15,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:33:10" (1/3) ... [2020-10-28 15:33:15,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb4062a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:33:15, skipping insertion in model container [2020-10-28 15:33:15,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:33:11" (2/3) ... [2020-10-28 15:33:15,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb4062a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:33:15, skipping insertion in model container [2020-10-28 15:33:15,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:33:15" (3/3) ... [2020-10-28 15:33:15,164 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product25.cil.c [2020-10-28 15:33:15,177 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 15:33:15,184 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 15:33:15,199 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 15:33:15,234 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 15:33:15,234 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 15:33:15,234 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 15:33:15,234 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 15:33:15,234 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 15:33:15,235 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 15:33:15,235 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 15:33:15,235 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 15:33:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states. [2020-10-28 15:33:15,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-28 15:33:15,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:33:15,347 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] [2020-10-28 15:33:15,348 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:33:15,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:33:15,361 INFO L82 PathProgramCache]: Analyzing trace with hash 160862240, now seen corresponding path program 1 times [2020-10-28 15:33:15,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:33:15,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904928243] [2020-10-28 15:33:15,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:33:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:16,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:16,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:16,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:16,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:17,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:17,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:17,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:20,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:20,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:20,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-28 15:33:20,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 15:33:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 15:33:20,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:20,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:33:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:33:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:33:20,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 15:33:22,202 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:33:22,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:33:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:22,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:22,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:22,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:33:22,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:22,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 15:33:22,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:22,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:22,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:22,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:33:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:22,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:22,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:22,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:33:22,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:22,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:22,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:22,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:22,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:22,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:33:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:22,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:22,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:22,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:33:22,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:22,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:22,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:22,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:22,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:22,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:22,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:33:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:22,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:22,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:22,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:33:22,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:22,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:22,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:22,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:22,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:22,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:33:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:22,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:22,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:22,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:33:22,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:22,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:22,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:22,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:22,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:22,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:22,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:22,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:22,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:33:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:22,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:22,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:22,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:33:22,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:22,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:33:22,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:22,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:22,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:22,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:22,650 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:33:22,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:33:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:22,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:22,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:22,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:22,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:22,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:22,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:23,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:23,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:24,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:27,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:27,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-28 15:33:27,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 15:33:27,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 15:33:27,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:27,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:27,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:33:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 15:33:27,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:33:27,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:27,942 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:33:27,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:33:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:27,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:27,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:27,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:28,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:28,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:28,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:28,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:28,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 15:33:28,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:33:28,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1033 [2020-10-28 15:33:28,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:28,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:28,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:28,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:28,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:28,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:29,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:29,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:29,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:33:29,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:33:29,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:33:29,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:29,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:29,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:29,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:33:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:29,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:29,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 15:33:29,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:33:29,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 15:33:29,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:29,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:29,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:29,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:29,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:29,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:29,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:33:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:29,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:29,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:33:29,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:29,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:33:29,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:29,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:29,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:29,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:29,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:29,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:29,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:29,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:29,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:33:29,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:29,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:29,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:29,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:29,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:29,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:29,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:33:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:29,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:29,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 15:33:29,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:33:29,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 726 [2020-10-28 15:33:29,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:29,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:33:29,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:33:29,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:33:29,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:29,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:29,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:29,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:33:29,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:33:29,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:33:29,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:29,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:29,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:29,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:29,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:29,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:33:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:29,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:29,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:29,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 15:33:29,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:29,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 15:33:29,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:29,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:33:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:33:29,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 15:33:29,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:30,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 15:33:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:30,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:30,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:30,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:33:30,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:30,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 15:33:30,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:30,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:33:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:33:30,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:30,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:30,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:30,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:30,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:33:30,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:30,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:30,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:30,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:30,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:30,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:30,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:30,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 15:33:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:30,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:30,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:30,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:30,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:30,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:32,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:32,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:35,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:35,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 15:33:35,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:33:35,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 15:33:35,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:35,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-28 15:33:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:35,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:35,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:35,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:35,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:35,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:35,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:35,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:35,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:37,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:37,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:33:37,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:33:37,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2784 [2020-10-28 15:33:37,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:37,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:37,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:37,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:37,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:33:37,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:37,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:37,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:37,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:33:37,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:37,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:33:37,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:37,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:37,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:37,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:37,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:37,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:37,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:37,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:37,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:37,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:33:37,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:37,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:33:37,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:37,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:37,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:37,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:37,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 15:33:37,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:33:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:37,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:37,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:37,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:33:37,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:37,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:33:37,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:37,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:37,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:37,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:37,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:37,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:37,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:33:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:37,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:37,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:37,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:33:37,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:33:37,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:37,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:37,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:33:37,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:33:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:37,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:37,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:37,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:33:37,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:37,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:33:37,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:37,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:37,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:37,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:33:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:37,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:37,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:33:37,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:33:37,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:33:37,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:33:37,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:33:37,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:33:37,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:33:37,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:33:37,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:33:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:33:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-28 15:33:38,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904928243] [2020-10-28 15:33:38,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:33:38,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 15:33:38,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674264780] [2020-10-28 15:33:38,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:33:38,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:33:38,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:33:38,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:33:38,258 INFO L87 Difference]: Start difference. First operand 763 states. Second operand 10 states. [2020-10-28 15:33:40,287 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:33:42,751 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:33:57,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:33:57,488 INFO L93 Difference]: Finished difference Result 1552 states and 2646 transitions. [2020-10-28 15:33:57,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 15:33:57,491 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2020-10-28 15:33:57,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:33:57,533 INFO L225 Difference]: With dead ends: 1552 [2020-10-28 15:33:57,533 INFO L226 Difference]: Without dead ends: 940 [2020-10-28 15:33:57,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2020-10-28 15:33:57,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-10-28 15:33:57,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 606. [2020-10-28 15:33:57,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2020-10-28 15:33:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 966 transitions. [2020-10-28 15:33:57,903 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 966 transitions. Word has length 139 [2020-10-28 15:33:57,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:33:57,904 INFO L481 AbstractCegarLoop]: Abstraction has 606 states and 966 transitions. [2020-10-28 15:33:57,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:33:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 966 transitions. [2020-10-28 15:33:57,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-28 15:33:57,911 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:33:57,912 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 15:33:57,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 15:33:57,912 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:33:57,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:33:57,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1841730609, now seen corresponding path program 1 times [2020-10-28 15:33:57,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:33:57,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697192920] [2020-10-28 15:33:57,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:33:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:33:58,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:58,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:58,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:58,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:58,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:58,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:33:59,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:02,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:03,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:03,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-28 15:34:03,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 15:34:03,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 15:34:03,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:03,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:03,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:34:03,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 15:34:03,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:34:03,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:04,332 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:34:04,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:34:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:04,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:04,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:04,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:34:04,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:04,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 15:34:04,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:04,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:04,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:04,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:04,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:34:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:04,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:04,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:04,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:34:04,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:04,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:34:04,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:04,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:04,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:04,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:04,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:04,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:34:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:04,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:04,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:04,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:34:04,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:04,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:34:04,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:04,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:04,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:04,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:04,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:04,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:04,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:34:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:04,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:04,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:04,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:34:04,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:04,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:04,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:04,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:04,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:04,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:04,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:04,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:34:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:04,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:04,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:04,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:34:04,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:04,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:34:04,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:04,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:04,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:04,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:34:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:04,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:04,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:04,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:34:04,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:04,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:04,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:04,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:04,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:04,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:04,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:04,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:04,689 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:34:04,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:34:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:04,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:04,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:04,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:04,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:04,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:05,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:05,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:05,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:05,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:09,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:09,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-28 15:34:09,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 15:34:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 15:34:09,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:09,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:34:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:34:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:34:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:09,893 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:34:09,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:34:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:09,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:09,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:09,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:09,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:09,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:10,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:10,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 15:34:10,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:34:10,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 735 [2020-10-28 15:34:10,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:10,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:34:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:34:10,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 15:34:10,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:10,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:10,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:10,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:10,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:10,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:34:10,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:34:10,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:34:10,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:10,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:10,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:10,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:10,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:10,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:10,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:34:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:10,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:10,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:10,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 15:34:10,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:10,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 15:34:10,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:10,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:34:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:34:10,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 15:34:10,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:10,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:34:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:10,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:10,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:10,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:34:10,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:10,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:34:10,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:10,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:34:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:34:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:10,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:10,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:10,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:10,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:34:10,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:10,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:10,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:10,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:10,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:10,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 15:34:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:10,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:10,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:10,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:10,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:10,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:11,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 15:34:11,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:34:11,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 683 [2020-10-28 15:34:11,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:11,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:11,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:11,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 15:34:11,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:11,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:11,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:11,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:11,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:34:11,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:34:11,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:34:11,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:11,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:11,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:11,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:11,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:11,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:11,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:34:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:11,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:11,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 15:34:11,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:34:11,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 15:34:11,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:11,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:11,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:11,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:11,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 15:34:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:11,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:11,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:34:11,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:11,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:34:11,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:11,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:11,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:11,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:11,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:11,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:34:11,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:11,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:11,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:11,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:11,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:11,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:11,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:11,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 15:34:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:11,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:11,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:13,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:15,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:34:15,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:34:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4039 [2020-10-28 15:34:15,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:15,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:15,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:15,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:34:15,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:15,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:34:15,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:15,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:15,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:17,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:17,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:34:17,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:34:17,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1925 [2020-10-28 15:34:17,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:17,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:17,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:17,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:17,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:17,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:17,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:34:17,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:17,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:34:17,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:17,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:17,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:17,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:17,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:17,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:17,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:17,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:17,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:34:17,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:17,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:17,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:17,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:17,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:17,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:17,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:17,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:34:17,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:34:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:17,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:17,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:17,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:34:17,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:17,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:34:17,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:17,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:17,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:17,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:17,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:17,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:17,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:34:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:17,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:17,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:17,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:34:17,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:17,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:17,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:17,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:17,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:17,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:34:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:17,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:17,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:17,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:34:17,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:17,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:34:17,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:17,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:17,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:17,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:17,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:17,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:17,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:17,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:17,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:17,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:34:17,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:17,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:34:17,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:17,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:17,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:17,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:17,785 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-28 15:34:17,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697192920] [2020-10-28 15:34:17,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 15:34:17,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 15:34:17,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120363542] [2020-10-28 15:34:17,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:34:17,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:34:17,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:34:17,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:34:17,792 INFO L87 Difference]: Start difference. First operand 606 states and 966 transitions. Second operand 10 states. [2020-10-28 15:34:19,702 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:34:21,989 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:34:37,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:34:37,130 INFO L93 Difference]: Finished difference Result 1521 states and 2567 transitions. [2020-10-28 15:34:37,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 15:34:37,131 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 143 [2020-10-28 15:34:37,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:34:37,141 INFO L225 Difference]: With dead ends: 1521 [2020-10-28 15:34:37,141 INFO L226 Difference]: Without dead ends: 940 [2020-10-28 15:34:37,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2020-10-28 15:34:37,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-10-28 15:34:37,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 606. [2020-10-28 15:34:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 606 states. [2020-10-28 15:34:37,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 961 transitions. [2020-10-28 15:34:37,374 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 961 transitions. Word has length 143 [2020-10-28 15:34:37,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:34:37,377 INFO L481 AbstractCegarLoop]: Abstraction has 606 states and 961 transitions. [2020-10-28 15:34:37,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 15:34:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 961 transitions. [2020-10-28 15:34:37,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-28 15:34:37,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:34:37,384 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] [2020-10-28 15:34:37,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 15:34:37,385 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:34:37,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:34:37,386 INFO L82 PathProgramCache]: Analyzing trace with hash -384416905, now seen corresponding path program 1 times [2020-10-28 15:34:37,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:34:37,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274332841] [2020-10-28 15:34:37,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:34:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:37,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:37,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:37,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:37,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:37,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:37,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:41,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:42,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:42,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-28 15:34:42,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:34:42,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-28 15:34:42,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:42,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:42,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:34:42,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-28 15:34:42,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:34:42,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:43,675 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:34:43,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:34:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:43,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:43,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:43,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:34:43,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:43,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 15:34:43,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:43,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:43,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:43,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:43,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:34:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:43,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:43,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:43,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:34:43,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:43,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:34:43,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:43,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:43,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:43,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:43,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:43,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:43,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:34:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:43,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:43,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:43,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:34:43,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:43,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:34:43,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:43,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:43,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:43,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:43,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:43,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:43,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:34:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:43,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:43,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:43,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:34:43,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:43,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:43,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:43,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:43,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:43,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:43,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:34:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:43,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:43,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:43,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:34:43,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:43,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:43,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:43,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:43,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:43,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:34:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:43,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:43,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:43,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:34:43,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:43,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:43,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:43,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:44,011 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:34:44,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:34:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:44,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:44,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:44,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:44,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:44,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:44,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:44,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:45,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:49,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:49,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-28 15:34:49,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 15:34:49,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 15:34:49,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:49,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:49,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:34:49,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-28 15:34:49,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:34:49,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:49,242 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:34:49,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:34:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:49,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:49,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:49,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:49,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:49,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:49,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:50,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 15:34:50,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 15:34:50,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 771 [2020-10-28 15:34:50,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:50,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:50,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:50,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:50,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:50,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:50,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:34:50,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:34:50,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:34:50,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:50,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:50,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:50,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:50,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:34:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:50,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:50,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 15:34:50,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:34:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 15:34:50,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:50,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:50,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:50,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:50,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:50,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:50,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:34:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:50,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:50,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:34:50,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:50,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 15:34:50,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:50,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:50,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:50,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:50,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:50,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:50,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:34:50,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:50,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:50,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:50,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:50,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:50,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 15:34:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:50,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:50,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 15:34:50,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:34:50,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-10-28 15:34:50,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:50,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:50,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:50,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:50,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:50,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:34:50,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:34:50,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:50,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:50,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:50,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:50,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:34:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:50,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:50,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 15:34:50,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:50,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 15:34:50,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:50,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:50,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:50,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:50,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:50,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:50,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:34:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:50,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:50,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:34:50,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:50,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:34:50,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:50,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:50,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:50,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:50,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:50,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:34:50,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:50,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:50,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:50,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:50,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:34:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:50,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:50,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:53,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:53,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:34:53,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:34:53,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2955 [2020-10-28 15:34:53,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:53,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 15:34:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 15:34:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:34:53,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:53,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:53,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:53,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:53,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:53,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:53,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:55,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:55,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:34:55,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:34:55,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1411 [2020-10-28 15:34:55,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:55,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:55,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 15:34:55,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 15:34:55,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 15:34:55,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:55,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:55,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:55,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:55,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:34:55,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:55,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:55,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:55,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:55,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:55,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:55,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:55,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:55,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:55,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:55,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:55,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:34:55,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:55,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:55,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:55,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:55,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:55,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:34:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:55,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:55,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:55,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:34:55,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:55,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:55,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:55,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:55,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:34:55,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:55,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:34:55,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:55,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:34:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:55,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:55,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:55,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:34:55,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:55,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:34:55,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:55,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:55,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:34:55,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:55,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:34:55,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:55,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:34:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:55,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:55,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:55,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:34:55,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:55,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 15:34:55,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:55,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:55,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 15:34:55,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 15:34:55,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 15:34:55,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:55,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:34:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:34:55,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:34:55,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:34:55,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:34:55,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:34:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:34:55,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:34:55,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:34:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:34:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:34:55,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 15:34:55,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:34:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-28 15:34:55,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274332841] [2020-10-28 15:34:55,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 15:34:55,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 15:34:55,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383199409] [2020-10-28 15:34:55,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 15:34:55,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:34:55,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 15:34:55,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2020-10-28 15:34:55,439 INFO L87 Difference]: Start difference. First operand 606 states and 961 transitions. Second operand 14 states. [2020-10-28 15:34:56,857 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:34:59,504 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:35:00,695 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-28 15:35:01,216 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-28 15:35:01,435 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:35:03,263 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:35:04,475 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-28 15:35:06,144 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-28 15:35:07,381 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-28 15:35:10,058 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 413 DAG size of output: 411 [2020-10-28 15:35:11,351 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 416 [2020-10-28 15:35:13,932 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 416 DAG size of output: 411 [2020-10-28 15:35:19,970 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-28 15:35:24,302 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-28 15:35:25,675 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-28 15:35:26,936 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-28 15:35:28,341 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-28 15:35:32,901 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-28 15:35:34,471 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-28 15:35:38,577 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-28 15:36:14,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 15:36:14,263 INFO L93 Difference]: Finished difference Result 3473 states and 6146 transitions. [2020-10-28 15:36:14,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-28 15:36:14,264 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 145 [2020-10-28 15:36:14,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 15:36:14,296 INFO L225 Difference]: With dead ends: 3473 [2020-10-28 15:36:14,296 INFO L226 Difference]: Without dead ends: 2976 [2020-10-28 15:36:14,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 21.5s TimeCoverageRelationStatistics Valid=597, Invalid=2159, Unknown=0, NotChecked=0, Total=2756 [2020-10-28 15:36:14,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2976 states. [2020-10-28 15:36:15,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2976 to 1900. [2020-10-28 15:36:15,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1900 states. [2020-10-28 15:36:15,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1900 states and 3052 transitions. [2020-10-28 15:36:15,024 INFO L78 Accepts]: Start accepts. Automaton has 1900 states and 3052 transitions. Word has length 145 [2020-10-28 15:36:15,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 15:36:15,025 INFO L481 AbstractCegarLoop]: Abstraction has 1900 states and 3052 transitions. [2020-10-28 15:36:15,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 15:36:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1900 states and 3052 transitions. [2020-10-28 15:36:15,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-28 15:36:15,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 15:36:15,029 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] [2020-10-28 15:36:15,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 15:36:15,030 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 15:36:15,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 15:36:15,030 INFO L82 PathProgramCache]: Analyzing trace with hash -109657291, now seen corresponding path program 1 times [2020-10-28 15:36:15,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 15:36:15,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084929407] [2020-10-28 15:36:15,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 15:36:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:15,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:15,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:15,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:15,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:15,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:15,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:18,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:20,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:20,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-28 15:36:20,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 15:36:20,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 15:36:20,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:20,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:20,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 15:36:20,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-28 15:36:20,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 15:36:20,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:21,270 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-28 15:36:21,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:36:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:21,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:21,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:21,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:21,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 15:36:21,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:21,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:21,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:21,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 15:36:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:21,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:21,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:21,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:21,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:21,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:21,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:21,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:21,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:21,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:21,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 15:36:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:21,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:21,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:21,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:21,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:21,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:21,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:21,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:21,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:21,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 15:36:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:21,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:21,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:21,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:21,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:21,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:21,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:21,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:21,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:21,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:21,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 15:36:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:21,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:21,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 15:36:21,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:21,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:21,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:21,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:21,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:21,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:21,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:21,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:21,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 15:36:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:21,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:21,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:21,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:21,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:21,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:21,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:21,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:21,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:21,645 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-28 15:36:21,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-28 15:36:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:21,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:21,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:22,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:23,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:26,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:26,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-28 15:36:26,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 15:36:26,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 15:36:26,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:26,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:36:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 15:36:26,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:36:26,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:26,894 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 15:36:26,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 15:36:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:26,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:26,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:26,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:26,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:26,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:27,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 15:36:27,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:36:27,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-10-28 15:36:27,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:27,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:36:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 15:36:27,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 15:36:27,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:27,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:27,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:27,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:36:27,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:36:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:36:27,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:27,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:27,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:27,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:27,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:36:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:27,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:27,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 15:36:27,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:27,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 15:36:27,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:27,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 15:36:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 15:36:27,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 15:36:27,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:27,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:36:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:27,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:27,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:36:27,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:27,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 15:36:27,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:27,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:27,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 15:36:27,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:27,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 15:36:27,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:27,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:27,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:27,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:36:27,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:27,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:27,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:27,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:27,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:27,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 15:36:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:27,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:27,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 15:36:27,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 15:36:27,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 419 [2020-10-28 15:36:27,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:27,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-28 15:36:27,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:27,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:27,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:27,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:27,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:36:27,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:36:27,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:27,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:27,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:27,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:27,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:27,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:27,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:27,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 15:36:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:27,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:27,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-28 15:36:27,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:27,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 15:36:27,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:27,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:27,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:27,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:27,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:27,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:27,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 15:36:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:27,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:27,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 15:36:27,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:27,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:36:27,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:27,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:27,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:27,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:27,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:27,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:27,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:27,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:27,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:36:27,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:27,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:27,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:27,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:27,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:27,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:27,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:27,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:27,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 15:36:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:27,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:27,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 15:36:28,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:36:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 526 [2020-10-28 15:36:28,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-28 15:36:28,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 15:36:28,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 15:36:28,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 15:36:28,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 350 [2020-10-28 15:36:28,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 15:36:28,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:28,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 15:36:28,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:28,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:28,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 15:36:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 15:36:28,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:28,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:28,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 15:36:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 15:36:28,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 15:36:28,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 15:36:28,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 15:36:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 15:36:28,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:28,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 15:36:28,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:28,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 15:36:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 15:36:28,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 15:36:28,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 15:36:28,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 15:36:28,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 15:36:28,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 15:36:28,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 15:36:28,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 15:36:28,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 15:36:28,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 15:36:28,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 15:36:28,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 15:36:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-28 15:36:29,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084929407] [2020-10-28 15:36:29,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 15:36:29,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 15:36:29,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643717658] [2020-10-28 15:36:29,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 15:36:29,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 15:36:29,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 15:36:29,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-28 15:36:29,024 INFO L87 Difference]: Start difference. First operand 1900 states and 3052 transitions. Second operand 10 states. [2020-10-28 15:36:30,952 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:36:33,604 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-28 15:36:34,792 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 411 [2020-10-28 15:36:35,697 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 127