/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/elevator_spec3_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:02:33,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:02:33,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:02:33,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:02:33,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:02:33,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:02:33,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:02:33,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:02:33,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:02:33,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:02:33,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:02:33,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:02:33,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:02:33,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:02:33,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:02:33,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:02:33,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:02:33,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:02:33,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:02:33,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:02:33,436 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:02:33,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:02:33,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:02:33,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:02:33,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:02:33,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:02:33,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:02:33,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:02:33,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:02:33,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:02:33,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:02:33,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:02:33,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:02:33,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:02:33,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:02:33,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:02:33,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:02:33,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:02:33,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:02:33,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:02:33,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:02:33,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:02:33,538 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:02:33,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:02:33,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:02:33,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:02:33,543 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:02:33,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:02:33,543 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:02:33,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:02:33,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:02:33,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:02:33,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:02:33,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:02:33,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:02:33,545 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:02:33,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:02:33,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:02:33,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:02:33,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:02:33,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:02:33,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:02:33,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:02:33,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:02:33,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:02:33,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:02:33,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:02:33,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:02:33,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:02:33,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:02:33,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:02:33,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:02:33,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:02:34,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:02:34,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:02:34,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:02:34,006 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:02:34,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec3_product22.cil.c [2020-10-27 21:02:34,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4742adaee/40d06e1e6363408e824079715ab7c334/FLAGa9ee64ff4 [2020-10-27 21:02:34,934 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:02:34,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec3_product22.cil.c [2020-10-27 21:02:34,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4742adaee/40d06e1e6363408e824079715ab7c334/FLAGa9ee64ff4 [2020-10-27 21:02:35,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4742adaee/40d06e1e6363408e824079715ab7c334 [2020-10-27 21:02:35,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:02:35,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:02:35,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:02:35,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:02:35,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:02:35,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:02:35" (1/1) ... [2020-10-27 21:02:35,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711d8387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:35, skipping insertion in model container [2020-10-27 21:02:35,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:02:35" (1/1) ... [2020-10-27 21:02:35,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:02:35,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:02:35,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:02:35,764 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:02:35,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:02:36,011 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:02:36,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:36 WrapperNode [2020-10-27 21:02:36,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:02:36,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:02:36,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:02:36,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:02:36,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:36" (1/1) ... [2020-10-27 21:02:36,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:36" (1/1) ... [2020-10-27 21:02:36,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:36" (1/1) ... [2020-10-27 21:02:36,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:36" (1/1) ... [2020-10-27 21:02:36,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:36" (1/1) ... [2020-10-27 21:02:36,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:36" (1/1) ... [2020-10-27 21:02:36,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:36" (1/1) ... [2020-10-27 21:02:36,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:02:36,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:02:36,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:02:36,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:02:36,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:02:36,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:02:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:02:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:02:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:02:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-27 21:02:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-27 21:02:36,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:02:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:02:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:02:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:02:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:02:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:02:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:02:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:02:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:02:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:02:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:02:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 21:02:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__2 [2020-10-27 21:02:36,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-27 21:02:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-27 21:02:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-27 21:02:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-27 21:02:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-27 21:02:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-27 21:02:36,269 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-27 21:02:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-27 21:02:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 21:02:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-27 21:02:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-27 21:02:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-27 21:02:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 21:02:36,270 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-27 21:02:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:02:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 21:02:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:02:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-27 21:02:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-27 21:02:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-27 21:02:36,271 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-27 21:02:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-27 21:02:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-27 21:02:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-27 21:02:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-27 21:02:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:02:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-27 21:02:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-27 21:02:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-27 21:02:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-27 21:02:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-27 21:02:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-27 21:02:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-27 21:02:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-27 21:02:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-27 21:02:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-27 21:02:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-27 21:02:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-27 21:02:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-27 21:02:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-27 21:02:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-27 21:02:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-27 21:02:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-27 21:02:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-27 21:02:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-27 21:02:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 21:02:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-27 21:02:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-27 21:02:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-27 21:02:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 21:02:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-27 21:02:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-27 21:02:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-27 21:02:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__twothirdsfull [2020-10-27 21:02:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 21:02:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__twothirdsfull [2020-10-27 21:02:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-27 21:02:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-27 21:02:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:02:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:02:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:02:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:02:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:02:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-27 21:02:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-27 21:02:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 21:02:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-27 21:02:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-27 21:02:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-27 21:02:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-27 21:02:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-27 21:02:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-27 21:02:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:02:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:02:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:02:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:02:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:02:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:02:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:02:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:02:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:02:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:02:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:02:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:02:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:02:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:02:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:02:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:02:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:02:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:02:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:02:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:02:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-27 21:02:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-27 21:02:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-27 21:02:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 21:02:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__2 [2020-10-27 21:02:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 21:02:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-27 21:02:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-27 21:02:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-27 21:02:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-27 21:02:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-27 21:02:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-27 21:02:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-27 21:02:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-27 21:02:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-27 21:02:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 21:02:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-27 21:02:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-27 21:02:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-27 21:02:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 21:02:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-27 21:02:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:02:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:02:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 21:02:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:02:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-27 21:02:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-27 21:02:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-27 21:02:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-27 21:02:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-27 21:02:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-27 21:02:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-27 21:02:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-27 21:02:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-27 21:02:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:02:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-27 21:02:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-27 21:02:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-27 21:02:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-27 21:02:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-27 21:02:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-27 21:02:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-27 21:02:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-27 21:02:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-27 21:02:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-27 21:02:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2020-10-27 21:02:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-27 21:02:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-27 21:02:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2020-10-27 21:02:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-27 21:02:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-27 21:02:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-27 21:02:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__twothirdsfull [2020-10-27 21:02:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__twothirdsfull [2020-10-27 21:02:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-27 21:02:36,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:02:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:02:36,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:02:38,730 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:02:38,730 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-27 21:02:38,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:02:38 BoogieIcfgContainer [2020-10-27 21:02:38,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:02:38,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:02:38,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:02:38,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:02:38,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:02:35" (1/3) ... [2020-10-27 21:02:38,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2c8c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:02:38, skipping insertion in model container [2020-10-27 21:02:38,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:02:36" (2/3) ... [2020-10-27 21:02:38,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f2c8c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:02:38, skipping insertion in model container [2020-10-27 21:02:38,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:02:38" (3/3) ... [2020-10-27 21:02:38,751 INFO L111 eAbstractionObserver]: Analyzing ICFG elevator_spec3_product22.cil.c [2020-10-27 21:02:38,767 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:02:38,773 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:02:38,787 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:02:38,819 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:02:38,820 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:02:38,820 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:02:38,820 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:02:38,820 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:02:38,820 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:02:38,820 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:02:38,821 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:02:38,857 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states. [2020-10-27 21:02:38,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-27 21:02:38,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:02:38,876 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:02:38,876 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:02:38,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:02:38,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1175688394, now seen corresponding path program 1 times [2020-10-27 21:02:38,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:02:38,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105562688] [2020-10-27 21:02:38,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:02:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:39,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:39,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:40,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:41,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:42,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:43,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:44,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:44,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 21:02:44,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:02:44,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-10-27 21:02:44,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:02:44,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 21:02:44,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:02:44,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:02:45,490 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 21:02:45,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:02:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:45,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:45,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:45,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:45,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:45,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 21:02:45,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:45,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:45,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:02:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:45,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:45,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:45,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:45,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:45,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:45,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:45,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:45,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:45,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:45,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:02:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:45,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:45,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:45,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:45,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:45,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:45,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:45,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:45,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:45,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:45,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:45,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:02:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:45,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:45,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:45,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:45,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:45,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:45,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:45,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:45,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:02:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:45,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:45,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:45,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:02:45,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:45,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:45,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:45,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:45,846 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:02:45,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:02:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:45,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:45,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:45,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:02:45,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:45,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 21:02:45,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:45,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:46,019 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:02:46,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:02:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:46,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:46,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:46,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:02:46,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:46,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:02:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:46,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:46,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:02:46,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:02:46,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-27 21:02:46,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:46,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:02:46,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:02:46,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:02:46,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:46,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:02:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:46,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:46,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:02:46,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:46,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:02:46,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:02:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:02:46,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:46,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:02:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:46,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:46,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:02:46,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:02:46,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 21:02:46,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:02:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:02:46,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:02:46,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:46,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:02:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:46,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:46,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:02:46,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:46,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:02:46,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:02:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:46,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:02:46,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:46,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 21:02:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:46,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:46,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:02:46,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:46,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:02:46,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:46,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:02:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:46,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:46,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:02:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:46,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:46,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:46,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:46,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:46,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:02:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:46,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:46,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:46,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:46,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:02:46,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:02:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:46,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:02:46,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 21:02:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:46,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:46,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:46,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:46,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:02:46,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:02:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:46,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:02:46,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 21:02:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:02:46,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:02:46,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:02:46,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:02:46,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:02:46,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:02:46,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:02:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:02:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:02:46,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:02:46,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:02:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:02:46,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105562688] [2020-10-27 21:02:46,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:02:46,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 21:02:46,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874561561] [2020-10-27 21:02:46,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 21:02:46,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:02:46,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 21:02:46,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-10-27 21:02:46,939 INFO L87 Difference]: Start difference. First operand 816 states. Second operand 14 states. [2020-10-27 21:02:48,839 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:02:50,268 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:02:51,540 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 21:02:52,795 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 21:02:54,092 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:02:55,262 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 21:02:56,492 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:02:57,772 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 21:02:59,127 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:03:02,407 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:03:25,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:03:25,651 INFO L93 Difference]: Finished difference Result 1632 states and 2819 transitions. [2020-10-27 21:03:25,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 21:03:25,654 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 94 [2020-10-27 21:03:25,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:03:25,692 INFO L225 Difference]: With dead ends: 1632 [2020-10-27 21:03:25,692 INFO L226 Difference]: Without dead ends: 983 [2020-10-27 21:03:25,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=205, Invalid=851, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 21:03:25,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2020-10-27 21:03:26,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 656. [2020-10-27 21:03:26,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2020-10-27 21:03:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1039 transitions. [2020-10-27 21:03:26,080 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1039 transitions. Word has length 94 [2020-10-27 21:03:26,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:03:26,080 INFO L481 AbstractCegarLoop]: Abstraction has 656 states and 1039 transitions. [2020-10-27 21:03:26,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 21:03:26,081 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1039 transitions. [2020-10-27 21:03:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-27 21:03:26,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:03:26,098 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:03:26,099 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:03:26,099 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:03:26,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:03:26,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1437039104, now seen corresponding path program 1 times [2020-10-27 21:03:26,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:03:26,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134147533] [2020-10-27 21:03:26,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:03:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:26,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:26,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:26,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:27,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:28,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:30,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:31,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:31,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:31,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 21:03:31,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:03:31,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-10-27 21:03:31,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:31,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:03:31,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:03:31,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:03:31,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:03:32,463 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 21:03:32,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:03:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:32,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:32,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:32,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:32,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:32,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 21:03:32,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:32,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:32,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:32,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:32,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:32,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:03:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:32,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:32,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:32,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:32,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:32,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:32,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:32,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:32,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:03:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:32,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:32,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:32,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:32,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:32,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:32,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:32,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:32,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:03:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:32,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:32,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:32,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:32,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:32,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:32,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:32,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:32,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:03:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:32,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:32,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:32,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:03:32,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:32,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:32,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:32,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:32,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:32,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:32,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:32,795 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:03:32,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:03:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:32,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:32,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:32,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:03:32,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:32,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 21:03:32,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:32,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:32,955 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:03:32,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:32,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:32,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:32,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:32,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:32,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:03:32,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:32,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:32,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:03:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:32,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:32,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:33,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 21:03:33,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:03:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-27 21:03:33,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:03:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 21:03:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:03:33,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:33,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:33,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:33,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:03:33,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:03:33,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 21:03:33,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:03:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:03:33,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:03:33,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:33,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 21:03:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:33,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:33,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:03:33,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:03:33,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 21:03:33,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:03:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:03:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:03:33,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:33,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:03:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:33,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:33,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:03:33,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:33,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:03:33,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:33,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:03:33,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:33,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:03:33,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:33,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 21:03:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:33,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:33,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:03:33,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:03:33,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:03:33,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:33,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:03:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:33,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:33,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:33,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:33,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:03:33,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:33,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:33,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:03:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:33,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:33,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:33,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:33,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:33,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:33,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:33,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:03:33,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:33,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:33,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 21:03:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:33,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:33,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:33,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:33,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:33,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:03:33,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:33,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:33,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:03:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:03:33,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:03:33,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:03:33,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:03:33,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:03:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:03:33,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:03:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:03:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:03:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:03:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:03:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:03:33,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134147533] [2020-10-27 21:03:33,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:03:33,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 21:03:33,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475697713] [2020-10-27 21:03:33,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 21:03:33,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:03:33,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 21:03:33,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-27 21:03:33,914 INFO L87 Difference]: Start difference. First operand 656 states and 1039 transitions. Second operand 13 states. [2020-10-27 21:03:35,508 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:03:36,770 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:03:37,954 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 21:03:39,223 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:03:40,356 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 21:03:43,333 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:04:04,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:04:04,597 INFO L93 Difference]: Finished difference Result 1605 states and 2735 transitions. [2020-10-27 21:04:04,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 21:04:04,598 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 95 [2020-10-27 21:04:04,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:04:04,609 INFO L225 Difference]: With dead ends: 1605 [2020-10-27 21:04:04,609 INFO L226 Difference]: Without dead ends: 979 [2020-10-27 21:04:04,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=132, Invalid=420, Unknown=0, NotChecked=0, Total=552 [2020-10-27 21:04:04,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2020-10-27 21:04:04,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 656. [2020-10-27 21:04:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2020-10-27 21:04:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1038 transitions. [2020-10-27 21:04:04,877 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1038 transitions. Word has length 95 [2020-10-27 21:04:04,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:04:04,877 INFO L481 AbstractCegarLoop]: Abstraction has 656 states and 1038 transitions. [2020-10-27 21:04:04,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 21:04:04,878 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1038 transitions. [2020-10-27 21:04:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 21:04:04,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:04:04,880 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:04:04,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:04:04,880 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:04:04,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:04:04,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1948612474, now seen corresponding path program 1 times [2020-10-27 21:04:04,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:04:04,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796494099] [2020-10-27 21:04:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:04:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:04,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:05,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:05,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:06,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:07,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:08,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:08,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:09,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:09,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 21:04:09,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:04:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 21:04:09,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:04:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 21:04:09,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:04:09,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:11,105 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 21:04:11,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:04:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:11,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:11,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:11,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:11,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:11,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 21:04:11,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:11,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:11,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:11,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:11,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:11,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:04:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:11,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:11,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:11,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:11,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:11,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:11,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:11,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:11,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:11,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:11,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:11,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:04:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:11,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:11,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:11,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:11,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:11,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:11,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:11,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:11,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:04:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:11,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:11,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:11,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:11,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:11,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:11,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:11,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:04:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:11,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:11,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:11,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:11,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:11,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:11,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:11,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:11,407 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:04:11,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:04:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:11,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:11,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:11,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:04:11,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:11,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:04:11,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:11,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:11,579 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:04:11,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:11,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:11,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:11,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:11,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:11,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:04:11,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:11,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:11,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:11,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:11,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:11,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:04:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:11,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:11,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:11,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:12,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:04:12,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:04:12,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 581 [2020-10-27 21:04:12,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:12,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:04:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 21:04:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:04:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:12,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:12,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:12,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:04:12,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:04:12,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:04:12,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:04:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:04:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:04:12,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:12,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:04:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:12,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:12,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:04:12,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:04:12,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 21:04:12,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:12,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:04:12,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:04:12,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:04:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:12,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:04:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:12,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:12,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:04:12,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:04:12,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:04:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:04:12,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:12,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 21:04:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:12,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:12,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:04:12,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:04:12,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:04:12,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:12,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:12,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:12,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:12,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:12,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:12,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:12,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:12,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:12,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:04:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:12,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:12,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:12,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:12,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:12,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:12,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:12,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:12,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 21:04:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:12,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:12,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:12,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:12,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:12,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:12,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:04:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:12,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:12,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 21:04:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:12,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:12,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:12,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:12,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:12,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:12,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:04:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:12,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:04:12,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796494099] [2020-10-27 21:04:12,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:04:12,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 21:04:12,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282914665] [2020-10-27 21:04:12,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 21:04:12,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:04:12,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 21:04:12,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-27 21:04:12,606 INFO L87 Difference]: Start difference. First operand 656 states and 1038 transitions. Second operand 13 states. [2020-10-27 21:04:13,855 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:04:15,301 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:04:16,603 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:04:17,943 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:04:19,199 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 21:04:22,295 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:04:45,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:04:45,679 INFO L93 Difference]: Finished difference Result 1605 states and 2733 transitions. [2020-10-27 21:04:45,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 21:04:45,680 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 96 [2020-10-27 21:04:45,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:04:45,691 INFO L225 Difference]: With dead ends: 1605 [2020-10-27 21:04:45,692 INFO L226 Difference]: Without dead ends: 979 [2020-10-27 21:04:45,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2020-10-27 21:04:45,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2020-10-27 21:04:45,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 656. [2020-10-27 21:04:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2020-10-27 21:04:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1037 transitions. [2020-10-27 21:04:45,882 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1037 transitions. Word has length 96 [2020-10-27 21:04:45,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:04:45,882 INFO L481 AbstractCegarLoop]: Abstraction has 656 states and 1037 transitions. [2020-10-27 21:04:45,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 21:04:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1037 transitions. [2020-10-27 21:04:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-27 21:04:45,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:04:45,884 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:04:45,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:04:45,885 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:04:45,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:04:45,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1748917316, now seen corresponding path program 1 times [2020-10-27 21:04:45,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:04:45,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831510213] [2020-10-27 21:04:45,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:04:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:45,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:46,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:46,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:46,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:47,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:49,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:50,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:50,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 21:04:50,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:04:50,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 21:04:50,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:50,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:04:50,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 21:04:50,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:04:50,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:52,007 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 21:04:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:04:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:52,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:52,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:52,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:52,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:52,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 21:04:52,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:52,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:52,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:04:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:52,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:52,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:52,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:52,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:52,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:52,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:52,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:52,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:52,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:52,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:52,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:04:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:52,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:52,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:52,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:52,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:52,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:52,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:52,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:52,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:52,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:52,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:52,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:04:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:52,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:52,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:52,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:52,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:52,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:52,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:52,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:52,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:04:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:52,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:52,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:52,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:04:52,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:52,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:52,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:52,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:52,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:52,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:52,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:52,304 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:04:52,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:04:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:52,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:52,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:52,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:04:52,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:52,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:04:52,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:52,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:52,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:52,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:52,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:52,456 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:04:52,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:52,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:52,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:52,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:52,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:52,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:04:52,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:52,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:52,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:52,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:52,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:04:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:52,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:52,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:52,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:52,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:53,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 21:04:53,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 21:04:53,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 575 [2020-10-27 21:04:53,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:53,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:04:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-27 21:04:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:04:53,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:53,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:53,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:53,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 21:04:53,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:04:53,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:04:53,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:53,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:04:53,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:04:53,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:04:53,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:53,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:04:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:53,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:53,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:04:53,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:04:53,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 21:04:53,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:04:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:04:53,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:04:53,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:53,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 21:04:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:53,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:53,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:04:53,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:53,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:04:53,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:53,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:04:53,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:53,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:04:53,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:53,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 21:04:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:53,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:53,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:04:53,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:53,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:04:53,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:53,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:53,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:04:53,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:53,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:53,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:04:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:53,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:53,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:53,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:53,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:53,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:53,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:53,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:53,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:53,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:53,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:04:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:53,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:53,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:53,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:53,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:53,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:53,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:04:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:53,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:53,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 21:04:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:53,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:53,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:53,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:53,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:04:53,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:04:53,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:53,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:53,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:04:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:04:53,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:04:53,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:04:53,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:04:53,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:04:53,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:04:53,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:04:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:04:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:04:53,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:04:53,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:04:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:04:53,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831510213] [2020-10-27 21:04:53,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:04:53,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 21:04:53,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6426411] [2020-10-27 21:04:53,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 21:04:53,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:04:53,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 21:04:53,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-10-27 21:04:53,511 INFO L87 Difference]: Start difference. First operand 656 states and 1037 transitions. Second operand 15 states. [2020-10-27 21:04:55,108 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:04:56,450 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 414 [2020-10-27 21:04:57,671 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 418 [2020-10-27 21:04:58,955 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 409 [2020-10-27 21:05:00,141 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:05:01,555 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:05:05,075 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-27 21:05:30,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:05:30,825 INFO L93 Difference]: Finished difference Result 1599 states and 2721 transitions. [2020-10-27 21:05:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 21:05:30,826 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 97 [2020-10-27 21:05:30,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:05:30,836 INFO L225 Difference]: With dead ends: 1599 [2020-10-27 21:05:30,836 INFO L226 Difference]: Without dead ends: 954 [2020-10-27 21:05:30,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=159, Invalid=653, Unknown=0, NotChecked=0, Total=812 [2020-10-27 21:05:30,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2020-10-27 21:05:31,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 634. [2020-10-27 21:05:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-10-27 21:05:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1001 transitions. [2020-10-27 21:05:31,054 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1001 transitions. Word has length 97 [2020-10-27 21:05:31,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:05:31,054 INFO L481 AbstractCegarLoop]: Abstraction has 634 states and 1001 transitions. [2020-10-27 21:05:31,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 21:05:31,054 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1001 transitions. [2020-10-27 21:05:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-27 21:05:31,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:05:31,056 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:05:31,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:05:31,057 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:05:31,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:05:31,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1332568072, now seen corresponding path program 1 times [2020-10-27 21:05:31,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:05:31,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1461351435] [2020-10-27 21:05:31,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:05:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:31,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:31,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:31,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:32,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:33,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:34,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:36,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:36,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 21:05:36,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:05:36,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 21:05:36,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:05:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-27 21:05:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:05:36,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:37,503 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 403 [2020-10-27 21:05:37,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:05:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:37,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:37,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:37,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:37,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:37,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 21:05:37,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:37,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:37,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:37,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:37,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:37,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:05:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:37,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:37,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:37,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:37,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:37,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:37,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:37,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:37,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:37,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:37,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:37,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:05:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:37,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:37,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:37,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:37,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:37,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:37,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:37,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:37,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:37,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:37,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:37,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:05:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:37,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:37,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:37,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:37,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:37,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:37,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:37,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:37,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:37,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:37,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:37,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:05:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:37,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:37,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:37,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:05:37,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:37,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:37,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:37,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:37,786 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-27 21:05:37,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 21:05:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:37,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:37,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:37,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 21:05:37,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:37,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:05:37,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:37,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:37,948 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 21:05:37,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:05:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:37,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:37,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:37,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:37,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:37,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:05:37,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:37,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 21:05:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:37,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:37,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:38,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:38,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:05:38,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:05:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 21:05:38,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:05:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:05:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:05:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:38,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:05:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:38,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:38,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:38,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:05:38,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:38,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:05:38,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:05:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:05:38,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:38,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 21:05:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:38,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:38,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:38,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:38,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 21:05:38,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:05:38,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 21:05:38,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:05:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:05:38,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 21:05:38,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:38,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 21:05:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:38,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:38,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:38,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:05:38,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:38,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:05:38,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:38,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:05:38,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:38,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:05:38,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:38,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 21:05:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:38,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:38,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:38,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:05:38,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:38,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:05:38,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 21:05:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:38,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:38,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:05:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:38,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:38,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:38,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:38,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:38,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:38,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:38,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:05:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:38,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:38,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:38,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:38,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:38,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:05:38,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:05:38,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:38,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:38,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 21:05:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:38,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:38,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:38,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:38,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:38,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:05:38,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:05:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:38,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:38,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 21:05:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:05:38,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:05:38,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:05:38,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:05:38,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:05:38,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:05:38,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:05:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:05:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:05:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:05:38,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:05:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:05:38,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1461351435] [2020-10-27 21:05:38,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:05:38,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 21:05:38,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408790930] [2020-10-27 21:05:38,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 21:05:38,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:05:38,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 21:05:38,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-27 21:05:38,556 INFO L87 Difference]: Start difference. First operand 634 states and 1001 transitions. Second operand 14 states. [2020-10-27 21:05:41,083 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 21:05:42,341 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:05:43,519 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 21:05:44,687 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 21:05:45,931 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 406 [2020-10-27 21:05:47,217 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 408 [2020-10-27 21:05:48,551 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 407 [2020-10-27 21:05:50,102 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 413 [2020-10-27 21:05:53,103 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 148